Field notes
Volume 1
San Bernardino and Imperial Counties, California
Field notes
Volume 2: California Condor
California Condor Study: Journal 1939
Field notes
Volume 2: California Condor
California Condor Study: Journal 1940
Field notes
Volume 2: California Condor
California Condor Study: Journal 1941
Field notes
Volume 2: California Condor
California Condor Study: Journal 1946
Field notes
Volume 2: California Condor
California Condor Study: Journal 1947-1949
Field notes
Volume 3: California Condor 1939 Part 1
Species Accounts: Gymnogyps californianus (includes Condor Notes Tabulated in pocket), March 7-April 19
Field notes
Volume 4: California Condor 1939 Part 2
Species Accounts: Gymnogyps californianus, April 20-July 17
Field notes
Volume 5: California Condor 1939 Part 3
Species Accounts: Gymnogyps californianus, July 18-September 26
Field notes
Volume 6: California Condor 1939 Part 4
Species Accounts: Gymnogyps californianus, September 27-December 31
Field notes
Volume 7: California Condor 1940 Part 1
Species Accounts: Gymnogyps californianus, January 1-July 31
Field notes
Volume 8: California Condor 1940 Part 2
Species Accounts: Gymnogyps californianus, August 1-December 31
Field notes
Volume 9: California Condor 1941
Species Accounts: Gymnogyps californianus, January 1-June 9