#1954 Thermoflex, balloons, checks, copies, poet Sylvester and Goldbarth, LMS, 1988-04-21-1988-05-15, Box: 21, Folder: 4. Rexford Scott Sorenson negatives collection, RH PH 537. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/391603 Accessed November 23, 2024.