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Luftpostleichtbrief (german Air Mail letter) to Viktor Hamburger
Luftpostleichtbrief (german Air Mail letter), to Martha and Viktor Hamburger
Handwritten letter to Viktor Hamburger
Luftpostleichtbrief (german Air Mail letter) to Martha and Viktor Hamburger
Typewritten letter, 1 page, signed 'Wally'
Typewritten letter, 2 pages, signed 'Wally'
Hamburger's sponsorship of Anne Bekoff's Alfred P. Sloan Research Fellowship and request for Betz to write a letter of support
Michael Fox writes to Hamburger to ask advice on what direction to take his research and whether he can visit Hamburger's lab
Michael Fox writes to Hamburger to ask about visiting his lab
Anthony Frank writes to Hamburger to notify him of Lothar Frank's death
Notification of reappointment as Research Assistant in Zoology. Attached a form for reappointment.