The digital collections of the Library of Congress contain a wide variety of material related to World War I, including posters, photographs, manuscripts, newspapers, films, sheet music, and sound recordings. This guide compiles links to World War I resources throughout the Library of Congress website. In addition, this guide provides links to external websites focusing on World War I.

Them Library of Congress collection of the Nation's Forum recordings were made between 1918 and 1920 in an effort to preserve the voices of prominent Americans; in most cases, they are the only surviving recordings of a speaker. The recordings fall into two distinct series. The 1918 series was devoted mostly to World War I topics and was apparently distributed only to political organizations and other groups. The notable exception is the recording of General John Pershing (with Ambassador James Gerard speaking on the reverse side), which was sold commercially. The 1919-1920 series was devoted mostly to postwar issues and the 1920 presidential election.

A freely accessible repository of digitized California newspapers from 1846 to the present.

Search America's newspapers from 1789-1963. Chronicling America is sponsored jointly by the National Endowment for the Humanities and the Library of Congress.

Collections include Immigration to the United States, 1789-1930, Women Working, 1800-1930. Expeditions and Discoveries delivers maps, photographs, and published materials, as well as field notes, letters, and manuscript materials on selected expeditions between 1626 and 1953.

All of the materials found through DPLA—photographs, books, maps, news footage, oral histories, personal letters, museum objects, artwork, government documents, and so much more—are free and immediately available in digital format.
(Includes primary source sets with teaching guides)

Europeana, 1914-1918: Untold Stories & Official Histories of WWI, contains a collection of personal histories involved in or affected by WWI. Browse by content type, themes, or by war front. Particularly useful if you are looking for primary sources.

The Imperial War Museum in the United Kingdom provides access to illustrated articles on topics such as celebrity air aces, air raids that shook Britain, women during the war, and technological advances.

1914-1918-online – International Encyclopedia of the First World War is an English-language online reference work on World War One. Launched in October 2014, the multi-perspective, public-access encyclopedia is a collaborative project by the largest network of WW1 researchers worldwide, spanning more than 50 countries.

The diaries, notebooks, and address books of John Joseph Pershing (1860-1948), U.S. army officer and commander-in-chief of the American Expeditionary Forces in World War I, are part of a larger collection of Pershing papers available for research use onsite in the Manuscript Reading Room of the Library of Congress. The entire collection spans the years 1882-1971, with the bulk of the material concentrated in the period 1904-1948.

Explore how the suffragists embraced the First Amendment as a tool to help achieve ratification of the 19th Amendment to the U.S. Constitution in 1920. Other collections included on the NewseumED website: Free Speech Essentials; Fact Finder: Your Foolproof Guide to Media Literacy; Media Literacy Booster Pack, Making a Change: The First Amendment and the Civil Rights Movement; Decoding Elections: Process, Persuasion and Participation; and Freedom in the Balance.

This archive of primary documents from World War I has been assembled by volunteers of the World War I Military History List (WWI-L). International in focus, the archive intends to present in one location primary documents concerning the Great War.