Soto, Gary. Where Sparrows Work Hard. Pennsylvania: University of Pittsburgh Press, 1981

Soto, Gary. Where Sparrows Work Hard. Pennsylvania: University of Pittsburgh Press, 1981, Box: 2, Volume: 46. Midwest Distributors records, RH MS 949. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/573975 Accessed March 09, 2026.