Policy statement: Planners for Equal Opportunity. (Developed in response to its Second Annual Conference held at the University of Pennsylvania...March 16, 1968.)
PEO archival records are at Cornell (http://rmc.library.cornell.edu/EAD/htmldocs/RMM03943.html):
Planners for Equal Opportunity Records, #3943. Division of Rare and Manuscript Collections, Cornell University Library.