This page of the project contains access to public databases; other information on the site is available for a fee.
"The Project for American and French Research on the Treasury of the French Language (ARTFL) is a cooperative enterprise of the Laboratoire ATILF (Analyse et Traitement Informatique de la Langue Française) of the Centre National de la Recherche Scientifique (CNRS), the Division of the Humanities, and Electronic Text Services (ETS) of the University of Chicago."
once you have selected the items you want you will be redirected to the website of the institution that owns the item, and often these sites will not have English translations. To find an item with the Creative Commons licensing you prefer -
Once you type in your initial search on the main page, you will have a list of filters on the left hand side of the page
Use the "Can I use it?" and "By Copyright" filters to narrow down your results
"Documents on the history of French nuclear development, focusing on secret technical assistance provided by the United States in the 1970s and 1980s."
This sites presents the catalog of digital collections of the Bibliotheque Nationale de la France. It contains approximately 70, 000 digital documents, 1200 full-text documents, and 80, 000 images. Content can be browsed or searched.
Suggested terms to look for include - diary, diaries, letters, papers, documents, documentary or correspondence.
Combine these these terms with the event or person you are researching. (example: civil war diary)
Also search by subject for specific people and events, then scan the titles for those keywords or others such as memoirs, autobiography, report, or personal narratives.