Correspondence
About Coghill's "apprentice"
Handwritten letter, 2 pages
Handwritten letter, 2 pages
Typewritten letter, 5 pages
Typewritten letter, 1 page
Chester Yntema writes to Hamburger to inform him that John Decker is interested in taking-up a position in Hamburger's department
Report about the reviews about Hamburger's new book. Mentioned Marine Biological Laboratory summer course.
About a National Institutes of Health rejection letter
Typewritten letter, 1 page
Handwritten letter, 3 pages
Congratulations to Hamburger's Presidential Science Medal; Excitement about reading Haeckel and Weismann.
Typewritten letter, 1 page