Contents: Search the NLS Catalog | Search Other Library Catalogs | About the Z39.50 Gateway

Z39.50 Gateway searches of the LC Catalog are now redirected to the responsive web interface at catalog.loc.gov:

• To find search words anywhere in a record or in title, author/creator, and subject fields, use Keyword Search (formerly Simple Search).
• To combine word searches using guided menus, use Advanced Search.
• To find titles, authors/creators, subjects, call numbers, or standard numbers in alphabetical or sequential lists, use Browse (formerly Left-Anchored Phrase Search).

Z39.50 Gateway searches of the Handbook of Latin American Studies are also now redirected to hlasopac.loc.gov for Keyword Search, Advanced Search, and Browse.

The Library recommends that machine-to-machine queries use Z39.50/SRU directly, which is more efficient. Configuration specifications for Z39.50/SRU queries are available at: www.loc.gov/z3950/lcserver.html.

National Library Service for the Blind and Print Disabled

• NLS Catalog

Search Other Library Catalogs

Where applicable, the software vendor for the target Z39.50 implementation is given in parentheses after the name of the institution.

A

• Abilene Library Consortium -- Texas (SirsiDynix)
  
• Academica Sinica -- Taiwan (INNOPAC)
  
• Albert Einstein College of Medicine of Yeshiva University (INNOPAC)
  
• American University (Alma)
  
• Angelo State University -- San Angelo, TX (Voyager)
  
• Appalachian College Association (INNOPAC)
  
• Appalachian State University -- Boone, NC (INNOPAC)
  
• Arkansas Studies Institute -- Little Rock, AR (INNOPAC)
  
• Aspen School District -- Aspen, CO (INNOPAC)
  
• Auburn University (Voyager)
  
• Aurora Public Library -- Aurora, CO (INNOPAC)
  
• Austin Public Library -- Austin, TX (SirsiDynix)
  
• Azusa Pacific University -- Azusa, CA (INNOPAC)

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B

• Bangor University -- North Wales (Alma)
  
• Bard College -- Annandale-on-Hudson, NY (INNOPAC)
  
• Barry Universiity -- Miami Shores, FL (INNOPAC)
  
• Baton Rouge Community College (SirsiDynix)
  
• Bibliothèque nationale du Québec (Best-Seller)
  
• Boise State University -- Boise, ID (Voyager)
  
• Bossier Parish Community College -- North Bossier City, LA (SirsiDynix)
  
• Boston Public Library (Horizon)
  
• British Library Integrated Catalogue (Aleph)
  
• Brooklyn Public Library -- Brooklyn, NY (INNOPAC)

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C

• California Baptist University -- Riverside, CA (SirsiDynix)
  
• California Judicial Center Library -- San Francisco, CA (INNOPAC)
  
• California State Library (Alma)
  
• Cameron University -- Lawton, OK (INNOPAC)
  
• Canton Public Library -- Canton, MI (INNOPAC)
• Capilano University -- Vancouver, BC, Canada (INNOPAC)
  
• Capitol Area District Library -- Lansing, MI (INNOPAC)
  
• Carleton University -- Ottawa, Canada (Alma)
  
• Carver County Library -- Chanhassen, MN (INNOPAC) -- removed 7/17/2023
• Catholic University -- Washington, DC (Alma)
  
• Central European University -- Budapest, Hungary (INNOPAC)
  
• Charleston Southern University (SirsiDynix) -- removed 8/1/2023
• Chemical Heritage Foundation -- Philadelphia, PA (INNOPAC)
  
• Chester County Library System -- Exton, PA (INNOPAC)
  
• Christopher Newport University -- Newport News, VA (INNOPAC)
  
• Chughtai Public Library -- Lahore, Pakistan (biblios)
  
• Cobb County Library -- Marietta, GA (SirsiDynix)
  
• Colgate University -- Hamilton, NY (INNOPAC)
  
• College of New Caledonia -- Prince George, BC, Canada (SirsiDynix)
  
• College of Saint Rose -- Albany, NY (Voyager)
  
• Colorado Unified Catalog -- Prospector (INNOPAC)
  
• CONNECT NY -- Consortium of libraries within New York State (INNOPAC)-- removed 7/17/2023
• Copac: UK & Irish National, Academic & Special Library catalogue
  
• Cornell University (FOLIO)
  
• Cornerstone College -- Grand Rapids, MI (INNOPAC)
  
• Corporacion Universitaria Rafael Nuñez, Colombia (Koha)

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D

• Delgado Community College -- New Orleans, LA (SirsiDynix)
  
• District of Columbia Public Library (SirsiDynix)
  
• Douglas College -- New Westminster, BC, Canada (INNOPAC)
• Dublin Institute of Technology (INNOPAC)
  
• Duke University (Aleph)
  

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E

• El Paso Community College -- El Paso, TX (INNOPAC)
  
• ELNET Consortium -- Estonia (INNOPAC)
  
• Emory University (Alma)
• Encyclopaedia Britannica Online (Crossnet)
• Enoch Pratt Free Library -- Baltimore, MD (SirsiDynix)
  

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F

• Feng Chia University -- Taiwan (INNOPAC)
  
• Fenway Libraries Online -- Boston, MA (Voyager)
  
• Fletcher Technical Community College -- Houma, LA (SirsiDynix)
  
• Florida Northwest Regional Library System (The Library Corporation)
  
• Folger Shakespeare Library -- Washington, D.C. (Voyager) -- removed 6/13/2023

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G

• Gallaudet University -- Washington, DC (Alma)
  
• George Mason University -- VA (Alma)
  
• Georgetown University -- Washington, DC (Alma)
  
• Georgetown Law -- Washington, DC (Alma)
  
• George Washington University -- Washington, DC (Alma)
  
• GW Health University -- Washington, DC (Alma)
  
• GW Law University -- Washington, DC (Alma)
  
• Getty Research Institute Los Angeles, CA (Alma)
  
• Grambling State University -- Grambling, LA (SirsiDynix)
  
• Grand Valley State University -- Allendale, MI (INNOPAC)
  

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H

• Hailey College of Banking and Finance, University of the Punjab -- Pakistan
  
• Halifax Public Libraries -- Halifax, N.S., Canada (Horizon)
  
• Hawaii Voyager Consortium (Voyager)-- removed 7/17/2023
• Heriot-Watt University -- Edinburgh, Scotland (Voyager)-- removed 7/17/2023
• Holland College -- Prince Edward Island, Canada (Horizon)
  
• Hong Kong Shue Yan University (INNOPAC)
  
• Howard University -- Washington, DC (Alma)
  
• Hull University -- UK (INNOPAC)
  

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I

• Indiana University (SirsiDynix)
  
• Indiana Wesleyan University -- Marion, IN (INNOPAC)
  
• Institución universitaria mayor de Cartagena (Colombia) (biblios)
  
• Instituto Tecnológico y de Estudios Superiores de Monterrey--Monterrey, Mexico (INNOPAC)
  
• Italian National Library Service - SBN Servizio Bibliotecario Nazionale (ICCU)
  

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J

• Jackson State University -- Jackson, MS (INNOPAC)
  
• Jacksonville State University -- Jacksonville, AL (Voyager)
  
• Jefferson-Madison Regional Library -- Charlottesville, VA (INNOPAC)
  
• Johns Hopkins University -- Baltimore, MD (Horizon) -- removed 07/07/2023

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K

• Kansas City Public Library (SirsiDynix)
  
• Keene State College -- Keene, NH (INNOPAC)
  
• King County Library System -- Issaquah, WA
  
• Koç University -- Istanbul, Turkey (INNOPAC)
  

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L

• Lakehead University -- Thunder Bay, ON, Canada (Voyager)
  
• Lancaster Bible College and Graduate School -- Lancaster, PA (Voyager)
  
• Le Moyne College -- Syracuse, NY (INNOPAC)
  
• Leeward Community College -- Pearl City, HI (Voyager)
  
• Libraries Online Inc. (LION) -- Connecticut (INNOPAC)
  
• LIBRIS -- Swedish Union Catalog
  
• Link+ Consortium -- California and Nevada (INNOPAC)
  
• Livermore Public Library -- Livermore, CA (INNOPAC)
  
• London Metropolitan University (INNOPAC)
  
• London Public Library -- London, ON, Canada (INNOPAC)
  
• LOUIS: The Louisiana Library Network (SirsiDynix) --Participating institutions are listed separately
  • Louisiana State University (SirsiDynix)
    
  • Louisiana State University--Alexandria (SirsiDynix)
    
  • Louisiana State University Center for Energy Studies (SirsiDynix)
    
  • Louisiana State University--Eunice (SirsiDynix)
    
  • Louisiana State University Law Center (SirsiDynix)
    
  • Louisiana State University--Shreveport (SirsiDynix)
    
  • Louisiana Tech University -- Ruston, LA (SirsiDynix)
    
  • Louisiana Universities Marine Consortium (SirsiDynix)
    

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M

• McNeese State University -- Lake Charles, LA (SirsiDynix)
  
• Margate Public Library -- Margate, NJ (INNOPAC)
  
• MARMOT Library Network -- Western Colorado (INNOPAC)
  
• Marquette University -- Milwaukee, WI (INNOPAC)
  
• Marshall University -- Huntington, WV (INNOPAC)
  
• Marymount University (Alma)
  
• Massachusetts Institute of Technology (Alma) -- removed 08/01/2023
• Mayo Clinic Libraries (INNOPAC)
  
• Merlin Library Catalog -- Northern Wisconsin (INNOPAC)
  
• Metro Boston Library Network (Dynix)
  
• Metropolitan Museum of Art -- New York, NY (INNOPAC)
  
• Middlebury College -- Middlebury, VT (INNOPAC)
  
• Milwaukee Public Library (INNOPAC)
  
• Missouri Bibliographic Information User System (MOBIUS) -- Archway Cluster (INNOPAC)
  East Central College
  Jefferson College
  St. Charles Community College
  St. Louis College of Pharmacy
  St. Louis Community College
  
• Missouri Bibliographic Information User System (MOBIUS) -- Arthur Cluster (INNOPAC)
  Columbia College
  Lincoln University
  Missouri State Library
  Stephens College
  Westminster College
  William Woods University
  
• Missouri Bibliographic Information User System (MOBIUS) -- Quest Cluster (INNOPAC)
  Central Methodist University
  Missouri Valley College
  State Fair Community College
  University of Central Missouri
  
• Missouri Bibliographic Information User System (MOBIUS) -- Swan Cluster (INNOPAC)
• Assemblies of God Theological Seminary
  Baptist Bible College
  Cottey College
  Crowder College
  Drury University
  Forest Institute of Professional Psychology
  Missouri Southern State University
  Missouri State University
  Ozarks Technical Community College
  Southwest Baptist University
  
• Missouri River Regional Library -- Jefferson City, MO (INNOPAC)
  
• Monterey Institute of International Studies -- Monterey, CA (INNOPAC)
  
• Moore College of Art and Design -- Philadelphia, PA (INNOPAC)
  
• Moravská zemská knihovna v Brně -- Brno, Czech Republic (Aleph)
  
• MORE Consortium -- Western Wisconsin (INNOPAC)
  
• Murdoch University -- Perth, Australia (INNOPAC)
  

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N

• National Gallery of Canada (INNOPAC)
  
• National Library of Australia (Voyager)
  
• National Library of Canada --See Library and Archives Canada (AMICUS)
  
• National Library of Finland. Fennica (Alma)
  
• National Library of Medicine (Alma)
  
• National Library of New Zealand (Alma)
  
• National Library of the Czech Republic (Aleph)
  
• National Széchényi Library -- Budapest, Hungary (LibriCore)
  
• National University of Singapore (INNOPAC)
  
• National Yang-Ming University -- Taipei, Taiwan (INNOPAC)
  
• Nelson Mandela Metropolitan University -- Port Elizabeth, South Africa (INNOPAC)
  
• NEOS Consortium -- University of Alberta (SirsiDynix)
  
• New Canaan Library -- New Canaan, CT (INNOPAC)
  
• New Westminster Public Library -- New Westminster, BC, Canada (Horizon)
  
• New York Art Resources Consortium -- ARCADE (INNOPAC) -- removed 06/27/2023
• New York University Law Library (INNOPAC)
  
• Nicholls State University -- Thibodaux, LA (SirsiDynix)
  
• North Carolina Western Database (INNOPAC)
  Appalachian State University
  University of North Carolina at Asheville
  Western Carolina University
  
• North Carolina State University (SirsiDynix)
  
• North Vancouver District Public Library (Horizon)
  
• Northern Waters Library Service -- Northern Wisconsin (INNOPAC)
  
• Northwestern University (Alma)
  
• Northwestern State University of Louisiana -- Natchitoches, LA (SirsiDynix)
  
• Norwalk Public Library -- Norwalk, CT (INNOPAC)
  
• Norwegian Library System (Alma)
  
• Novanet, Inc. -- Nova Scotia, Canada (Aleph) -- removed 07/07/2023
• Nunez Community College -- Chalmette, LA (SirsiDynix)
  

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O

• Oakland Public Library -- Oakland, CA (INNOPAC)
  
• Ocean City Public Library -- Ocean City, NJ (INNOPAC)
  
• Ocean State Libraries -- Rhode Island (INNOPAC)
  
• OhioLINK Central Catalog (INNOPAC)
  
• Ontario Legislative Library (Voyager)
  
• Orange County Public Law Library -- Santa Ana, CA (INNOPAC)
  
• Our Lady of the Lake College -- Baton Rouge, LA (SirsiDynix)
  
• Oxford University (Aleph)

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P

• Pennsylvania State University (SirsiDynix)
  
• Princeton University (Alma)
  

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Q

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R

• Red Deer Public Library -- Red Deer, AB Canada (SirsiDynix)
  
• River Parishes Community College -- Sorrento, LA (SirsiDynix)
  
• Rochester Institute of Technology (INNOPAC)
  
• Russian State Library -- Moscow (Aleph)
  
• Rutgers University -- New Jersey (Alma)
  
• Ryerson Polytechnic University -- Toronto, ON Canada (INNOPAC)

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S

• Sabanci University -- Istanbul, Turkey (INNOPAC)
  
• Sacramento Public Library (INNOPAC)
  
• Saginaw Valley State University -- University Center, MI (INNOPAC)
  
• Saint Anselm College -- Manchester, NH (INNOPAC)
  
• St. Catharines Public Library -- St. Catharines, ON Canada (Horizon)
  
• St. Louis County Public Library -- St. Louis, MO (INNOPAC)
  
• St. Mary's University -- San Antonio, TX (INNOPAC)
  
• St. Mary's University College, Twickenham, London (INNOPAC)
  
• St. Paul Public Library (INNOPAC)
  
• Sage Library System of Eastern Oregon (INNOPAC) -- removed 7/17/2023
• San Francisco Public Library (INNOPAC)
  
• San Jose Public Library -- San Jose, CA (INNOPAC)
  
• Santa Clara University -- Santa Clara, CA (INNOPAC)
  
• Skidmore College -- Saratoga Springs, NY (Voyager)
  
• South Louisiana Community College -- Lafayette, LA (SirsiDynix)
  
• Southeastern Louisiana University (SirsiDynix)
  
• Southern University -- Baton Rouge, LA (SirsiDynix)
  
• Southern University Law Center -- Baton Rouge, LA (SirsiDynix)
  
• Southern University--New Orleans (SirsiDynix)
  
• Southern University--Shreveport/Bossier (SirsiDynix)
  
• Sowela Technical Community College--Lake Charles, LA (SirsiDynix)
  
• Supreme Court of Canada (SirsiDynix)
  
• Syracuse University -- Syracuse, NY (Voyager)

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T

• Trent University (Alma)
  
• Trinity University -- Washington, DC (Alma)
  
• Tulane University -- New Orleans, LA (Voyager)
  

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U

• Universidad de Alicante -- San Vincente del Raspeig, Spain (SirsiDynix)
  
• Universidad del Magdalena -- Colombia (Alma)
  
• Universidad del Rosario, Colombia (SirsiDynix)
  
• University of Adelaide -- Australia (Alma)
  
• University of Alabama, Tuscaloosa (Voyager)
  
• University of Chicago (Folio)
  
• University of Colorado, Boulder (INNOPAC) -- removed 07/07/2023
• University of Colorado, Colorado Springs (INNOPAC)
  
• University of the District of Columbia -- Washington, DC (Alma)
  
• UDC Law -- Washington, DC (Alma)
  
• University of Exeter -- UK (INNOPAC)
  
• University of Louisiana at Lafayette (SirsiDynix)
  
• University of Louisiana at Monroe (SirsiDynix)
  
• University of Maryland (Aleph)
  
• University of Michigan--Dearborn (INNOPAC)
  
• University of Minnesota--Twin Cities (Aleph)
  
• University of Missouri (INNOPAC)
  
• University of New Orleans (SirsiDynix)
  
• University of North Carolina at Chapel Hill (INNOPAC)
  
• University of Northern British Columbia (INNOPAC)
  
• University of Northern Colorado (INNOPAC)
  
• University of Notre Dame (Aleph)
  
• University of Notre Dame. Kresge Law Library (INNOPAC)
  
• University of Pennsylvania (Alma)
  
• University of Reading -- Reading, UK (SirsiDynix)
  
• University of Rochester -- Rochester, NY (Alma)
  
• University of Saskatchewan (INNOPAC)
  
• University of Sheffield -- UK
  
• University of Southern California (Alma)
  
• University of Texas at Austin. Tarlton Law Library (INNOPAC)
  
• University of Toledo -- Toledo, OH (INNOPAC)
  
• University of Toronto (Alma)
  
• University of Vermont -- Burlington, VT (Voyager)
• University of Virginia (SirsiDynix)
  
• University of Wisconsin -- Eau Claire (Alma)
  
• University of Wisconsin -- Green Bay (Alma)
  
• University of Wisconsin -- La Crosse (Alma)
  
• University of Wisconsin -- Madison (Alma)
  
• University of Wisconsin -- Milwaukee (Alma)
  
• University of Wisconsin -- Oshkosh (Alma)
  
• University of Wisconsin -- Parkside (Alma)
  
• University of Wisconsin -- Platteville (Alma)
  
• University of Wisconsin -- River Falls (Alma)
  
• University of Wisconsin -- Stout (Alma)
  
• University of Wisconsin -- Superior (Alma)
  
• University of Wisconsin -- Whitewater (Alma)
• University of Wisconsin -- Stevens Point (Alma)
• USMAI Consortium of Libraries (University System of Maryland and Affiliated Institutions) (Aleph)

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V

• Valparaiso University -- Valparaiso, IN (INNOPAC)
  
• Vancouver Public Library -- Vancouver, BC, Canada (Horizon)
  
• Victoria University -- Melbourne, Australia (INNOPAC)
  
• Virginia Commonwealth University (Alma)
  
• Virginia Commonwealth University Qatar (Alma)

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W

• Washington University -- St. Louis, MO (INNOPAC)
  
• Wayne State University -- Detroit, MI (INNOPAC)
  
• William and Mary
  

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Y

• Yale Law School (INNOPAC)
  
• Yale University (Voyager)
  
• Youngstown and Mahoning County Library -- Ohio (INNOPAC)
  
• .
  
• ..
  

Z

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About the Z39.50 Gateway

Z39.50 is a national and international (ISO 23950) standard defining a protocol for computer-to-computer information retrieval allowing a user in one system (with a Z39.50 client) to search and retrieve information from an other system (with a Z39.50 server) without knowing the search syntax of that system. Z39.50 was originally approved by the National Information Standards Organization (NISO) in 1988.

The Z39.50 Maintenance Agency Page, includes documentation and information related to the development and ongoing maintenance of the Z39.50 standard.

Using a Z39.50 client, it is currently possible to search the Library of Congress bibliographic file. Information that will be required to configure your Z39.50 client to search the LC server directly is provided in LC Z39.50 Server Configuration Guidelines.

This gateway makes use of an earlier version of the ISearch-CGI public domain software that was created by the Clearinghouse for Networked Information Discovery and Retrieval (CNIDR). It should be noted that many search and retrieval capabilities that are available in the Z39.50 protocol are not implemented in this gateway. The Initialization, Search, and Retrieval facilities have been implemented.

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last edit Sept 3, 2024