Field notes taken from March 30th to April 19th, 1959, on collecting trip to Sonora, Mexico (21 pages).
File 1, Item 2
Bird list1959
Scope and Contents
List of birds observed and collected from April 4th to April 12th, 1959, in vicinity of permanent camp established about 6
miles from Rancho Guirocoba, Sonora (8 pages).
File 1, Item 3
Specimen catalogue1959
Scope and Contents
San Diego Society Serial Field Catalogue, listing 68 specimens (10 pages).
