Hamburger, Viktor
Rejection letter about publishing "the History of the Discovery of the Nerve Growth Factor" in the Journal of Neuroscience
Typewritten letter
On his summer course at Ann Arbor, on Triturus
Discussion of their experiments which do not confirm Hamburger's work
Handwritten letter
Thank you
Typewritten letter
Typewritten letter
Typewritten letter
Typewritten letter
Typewritten letter
Enclosed writings