Black and white photo of a woman at a behind-the-scenes catalog with a library cart with books and other items she's apparently pulled for researchers or for Congressional staff. She is squatted down with an open book, a card she is consulting, and an open card catalog drawer.

Jewel Mazique at a Library of Congress card catalog, Washington, DC, ca. 1942.

Via Library of Congress, Farm Security Administration/Office of War Information photograph collection, https://www.loc.gov/pictures/item/2017828946/.