Correspondence
Typewritten letter
Letter suggesting Hamburger's potential interest in a film of the development of the light brown apple moth
Suggestions for collaborators with Dr. Orrego
Discussion about the potential for Brunso-Bechtold to work as a postdoc in Hamburger's lab
Typewritten letter, 1 page
Typewritten letter, 1 page
Communication about Cairns' housing for the summer in St. Louis
Typewritten letter, 1 page
Typewritten letter, 1 page
Typewritten letter, 1 page
Typewritten letter, 1 page
Typewritten letter, 2 pages