Hamburger, Viktor
On his second review of the regulatin of the organizer action. On archencephalic differentiation. On his review of the genetic control of convergent extension (stretching).
Letter about visit
Short note on NGF findings.
On finishing the last chapter of their book manuscript. Mainly private letter, sending Season's greetings and x-mas gifts.
On his upcoming visit to St. Louis.
Comments on the revised edition Hamburger's "Manual of Experimental Embryology". On Caspari.
Private letter, mainly on politics
Reply to a letter sent by Viktor Hamburger on February 1, 1982.