Correspondence & Documents
Letter to Trinkaus from student worrying about his project
Typewritten letter, 1 page
Letter explaining why some committee members at the MBL do not want to see Harlyn Halvorson re-elected as director of MBL.
On his difficulties travelling to Europe.
On Holtfreter's & Hamburger's book manuscript, on Weiss.
On his immigration status. On a recent talk at the New York Academy.
On his difficulties travelling to Europe.
On his immigration status.
Planning a visit of Martha & Viktor Hamburger in Rochester.
Season's greetings. On his first term at Rochester.
On finishing the last chapter of their book manuscript. Mainly private letter, sending Season's greetings and x-mas gifts.
On his birthday and christmas. On Hamburger's upcoming visit to Boston.
On his upcoming talk at the New York Academy on January 10 and a recent talk at Columbia. Thank-you note for christmas gift.
On his visit to Woods Hole. Mainly private letter.
On his upcoming teaching duties in Embryology etc. in Rochester.
On his recent visit at Hamburger's home. On his upcoming teaching and instutional duties in Rochester.
Thank-you note regarding Holtfreter's recent visit at Hamburger's home.
On a case of fire in his house and the loss of preparations for two manuscripts.
On the approval of his US immigration visa.
On his studies on Amphibian Exogastrula.
On working with Amphibian eggs provided by Twitty, Male and Ballard. On producing neuralization in ectoderm by changing the salt comcentration, the ph, or the Ca content of the solution.
On his difficulties at University of Rochester. On his recent experimental work: "Lately, Hiroko and I have been very busy to unravel the mysteries of the embryo."