Correspondence
On his recent Ambylstoma experiments.
On his upcoming travel to Europe.
On Hamburger's introduction to the reprint of Jane Oppenheimer's 1941 article on the Non-Homology of Germ Layers in the 50th Anniversary Volume of the Quarterly review of Biology.
Thank you for reprints. Travel update
On Twitty's autobiographical manuscript, particularly on the parts related to Spemann. Note on Bill Ballard's monograph of Amblystoma.
On his recent visit to Switzerland. On proposing Baltzer as associate member in the National Academy.
Inquiries about research. General updates
Typed letter, 2 pages. No signature
Letter from Chicago - discusses films
Letter in German about trip to Chicago
On his grant proposal (probably NSF). On his lecture plans.
Seeking an open position for Byron Wenger.