Correspondence & Documents
Request to take Sansar Sharma into laboratory
Photocopy of handwritten letter with brief translation, 5 pages
Response to Dubrovnik talk
Letter accompanied by three booksabout spirituality, from former student
letter of praise for Hamburger as a teacher, author was a student of Hamburgers at Washington University years 1938-1942, took comparative anaatomy, embryology, and biology with Hamburger
Happy New Year from the Spemann laboratory
Thank you
Part of To Francis Otto Schmitt from The Schmitty Verein, May 1941
Follow-up questions for Hamburger after his initial responses about his experiences in experimental embryology and neuroembryology in Germany and the United States
Request for information about the history of experimental embryology and neuroembryology in Germany and the United States
Short note on Twitty twin genes and Ambylstoma backcrosses in reply to Hamburger's letter. Twitty mentions Lipsett's hybridization of A. tigrinum & A. mexicanum.
On his considerations about a 'truly genetical embryology'. On hiring Takahashi.
Note on Triturus eggs sent to Hamburger. On his concerns on spending the summer in Woods Hole. Short note on his collaboration with Lehman and on Takahashi.
On a draft version of Twitty's paper and Holtfreter's considerations. Enclosed a letter by Holtfreter (November & December 1964) on Twitty"s manuscript.
On his summer course at Ann Arbor, on Triturus
On the Growth Society and their next symposium.
Twitty is requesting a letter of recommendation for Dr. Sperry.
On hybridizing and grafting Triturus.
On his revision of the Vertebrate Embryology article in Encyclopaedia Britannica.
Thank you note for a shipment of torosus eggs for a class in experimnental embryology. Talks about his plans for visiting Woods Hole.
On the application of Miss Eggers.