New York University
San Reiss: An Eyewitness to Labor History 1948 1975
Considered the "Labor photographer," this online exhibit of Sam Reiss' work is a pictorial history of American labor from 1948-1975.
Library of Congress
Loc: Learning Page: Labor in America
A rich collection of resources, including primary sources, student activities, and lesson plans, to support study of Americans at work in the late nineteenth and early twentieth centuries.