Correspondence
Handwritten
Handwritten
Handwritten
Handwritten
Updates about settling at the University of Colorado and work on maize.
Thank you for article. Update on research and teaching.
Request for recommendation for the Guggenheim Memorial Foundation, and discussions about unified mechanisms of several behaviors in chicken hatching
Research report
Typewritten letter, 1 page
Typewritten letter, 1 page
Typewritten letter, 2 pages, with envelope
Letter to Trinkaus thanking him for his suggestion to work in Dr. Wolff's lab in Paris
Luftpostleichtbrief (german Air Mail letter) to Martha and Viktor Hamburger
Handwritten letter to Martha Hamburger, 4 pages
Luftpostleichtbrief (german Air Mail letter) to Viktor Hamburger
Typewritten letter, 2 pages
Handwritten letter to Viktor Hamburger
Marked on front and back pages with handwritten notes in different writing
Luftpostleichtbrief (german Air Mail letter), to Martha and Viktor Hamburger
Handwritten letter to Viktor Hamburger
Luftpostleichtbrief (german Air Mail letter) letter to Viktor Hamburger
Handwritten letter to Viktor Hamburger
Handwritten letter to Martha and Viktor Hamburger