Papers, correspondence, and manuscripts of monograph of Dr. Emory Stephen Bogardus, the founder of the USC Department of Sociology and the School of Social Work, Dean Emeritus of The Graduate School at the University of Southern California, and world-renowned authority on "social distance".

Collection consists of approximately 400 maps from USC's Population Research Laboratory, donated by Professor Maurice D. Van Arsdol in 1998. The maps include much of the work done by Emory Bogardus and his students, as well as that of Van Arsdol and his students, and range from 1935 to 1980.