Correspondence
Typewritten letter, 3 pages
Attached is a list of people to whom the letter was sent
Photocopy of handwritten letter with brief translation, 5 pages
Typewritten letter, 3 pages
Gerhard Fankhauser writes to Hamburger about the history of embryology article he has just written
Handwritten letter to Martha and Viktor Hamburger
Typewritten letter, 2 pages
Request for information about the history of experimental embryology and neuroembryology in Germany and the United States
Typewritten letter, 2 pages
Typewritten letter, 1 page
Luftpostleichtbrief (german Air Mail letter) to Viktor Hamburger
Luftpostleichtbrief (german Air Mail letter), to Martha and Viktor Hamburger