Hamburger, Viktor
On hybridizing and grafting Triturus.
Thank you letter regarding the exchange of scientific journals
On his recent vacation in Europe.
On the organizer.
On the program for the President's Symposium "Problems of Morphogenesis" at the E. Lansing Meetings.
On the upcoming completion of "Analysis of Development".
Handwritten letter, 1 page
On Holtfreter "as the #1 place (!) - maker of experimental embryology." On his review of a Russian von Baer biography.
Fujita writes to Hamburger to thank him for sending a reprint of "Ontogeny of Neuroembyrology"
On Hamburger's upcoming talk at Amherst. On Nicholas.
Greetings for Hamburger's 69th birthday
On the publication of Hamburger's historical account of Spemann in the November issue of "Experientia".