Lectures
On his summer course at Ann Arbor, on Triturus
On Hamburger's talk at the Konrad-Lorenz-Institute. On Konrad Lorenz and Ireaneus Eibl-Eibesfeldt.
On Weiss' upcoming seminar on "Recent Advances in the Experimental Analysis of Development and Growth" at Washington University.
Discussion of lectures planned
On Hamburger's upcoming talk at Amherst. On Nicholas.
On the modalities for Holtfreter's upcoming talk at Hamburger's department.
On his plans to visit Hamburger & Willier in St. Louis on January 18 & 19. On the dates for his upcoming seminar at Washington University.
Invitation to lecture at the Growth Symposium in August 1951 at Wellesley College. On their book manuscript. Invitation for x-mas.
Weiss offers to give a lecture at St. Louis (Washington University) on the present status of "Neuronal Dynamics and Axonal Flow".
Letter of refusal (reply to Hamburger's letter from November 3; for a lecture at Washington University.
On his upcoming visit to St. Louis in February and two upcoming seminars there.
On the title of his upcoming talk at the "Verein" (i. e. most likely Growth Society) "How Nerves Grow".