{ site_name: 'National Digital Newspaper Program', subscribe_url:'/share/sites/Bapu4ruC/ndnp.php' }

Chronicling America provides access to millions of digitized historic American newspapers pages. This page includes links and descriptions to several different types of interactive maps, graphs, and charts designed to assist users in better understanding the scope and coverage of digitized newspapers in Chronicling America. Follow the links below to visit the interactive maps and visualizations.




Exploring Chronicling America Newspapers: All Digitized Titles (Map and Timeline)

Updated March 1, 2024

This visualization features a map that shows approximate locations of digitized newspapers available in the Chronicling America Historic American Newspapers collection. Explore the newspapers by clicking the dots on the map and access a time slider in the lower left hand corner to interact with the newspaper publishing timeline. This map was created using ArcGIS Instant Apps (external link) software and is updated weekly.

View the interactive map (external link).

Chronicling America All Digitized Titles Map Chronicling America All Digitized Titles Map



Chronicling America Temporal Coverage - Entire Collection (Area Chart)

Updated March 2024

This interactive visualization features an area chart that shows the number of digitized newspaper issues available between 1690-1963 broken down by year of publication.

View the interactive visualization (external link).

Chronicling America Temporal Coverage



Chronicling America Temporal Coverage by State (Map)

Updated March 2024

This interactive visualization features an interactive map and an area chart that shows the number of digitized newspaper issues available between 1690-1963 broken down by year of publication. Use the map to change the area chart for coverage of specific states or territories.

View the interactive visualization (external link).

Chronicling America Temporal Coverage by State (Map)



Chronicling America Ethnic Press Coverage (Map)

Updated July 2023

This visualization features a map that shows locations for digitized newspaper titles for special audiences / ethnic communities available in Chronicling America published between 1690-1963. Ethnicity and audience values are based on authorized Library of Congress Subject Headings that are available in associated newspaper records.

View the interactive map (external link).

Chronicling America Ethnic Press Coverage (Map)



Chronicling America Ethnic Press Coverage (Graph)

Updated July 2023

This visualization shows the number of digitized newspaper titles for special audiences / ethnic communities available in Chronicling America published between 1690-1963. Ethnicity and audience values are based on authorized Library of Congress Subject Headings that are available in associated newspaper records.

View the interactive visualization (external link).

Chronicling America Ethnic Press Coverage (Graph)



Chronicling America Non-English Language Coverage (Map)

Updated July 2023

This visualization features a map that shows locations where digitized non-English newspaper pages are available in Chronicling America published between 1690-1963. Language information is extracted from OCR (optical character recognition) files that represent the text printed on individual newspaper pages.

View the interactive map (external link).

Chronicling America Non-English Language Coverage (Map)



Chronicling America Page Counts by Language (Packed Bubble)

Updated March 2024

This packed bubble visualization demonstrates the distribution of digitized newspaper pages by language.

View the interactive visualization (external link).

Chronicling America Page Counts by Language (Packed Bubble)



Chronicling America Non-English Language Page Counts (Packed Bubble)

Updated March 2024

Similar to the previous visualization, this packed bubble visualization demonstrates the distribution of digitized newspaper pages by languages other than English.

View the interactive visualization (external link).

Chronicling America Non-English Language Page Counts (Packed Bubble)



Scripts Used and More Info

Library of Congress staff created the maps and visualizations referenced on this page using ArcGIS Instant Apps (external link) and Tableau Public (external link) software. Newspaper metadata was harvested via the Chronicling America Application Programming Interface (API). For additional information on how we interacted with the API, check out this blog post from the Signal (5/21/2019). Access the scripts used for some of these visualizations and more at the Library of Congress Labs Data Exploration Github repository (external link)

Scripts Used

More Info

Last Updated: 04/20/2024