Each week we scour the web for interesting and historic documents that catch our eye, make us think or simply make us laugh.

Description: Two women’s league roller derby skaters leap over two who have fallen. Date: 10 March 1950. Author: Al Aumuller, World-Telegram staff photographer. Credit: Library of Congress Prints and Photographs Division, New York World-Telegram and the Sun Newspaper Photograph Collection. http://hdl.loc.gov/loc.pnp/cph.3c33382.

This post first appeared on AHA Today.