Cowell, Sidney Robertson, 1903-1995, collector. still image Photographic prints. gmgpc Portrait photographs. gmgpc eng Forms part of a group of field materials documenting Cruz Losada performing Spanish songs from Puerto Rico on April 10, 1939, collected by Sidney Robertson Cowell in Oakland, California. Lozada, Cruz. Puerto Ricans--California--Oakland. W.P.A. California Folk Music Project collection http://hdl.loc.gov/loc.afc/afc1940001.afc1940001_p154-1 http://hdl.loc.gov/loc.afc/afc1940001.afc1940001_p154-2