people
On his upcoming travel to Zurich.
Typewritten letter, 1 page
Typewritten letter, 2 pages
Invitation to prepare a manuscript on "Recent Concepts of the Embryonic Inductor" for the Quarterly Review of Biology.
On his immigration status.
Planning a visit of Martha & Viktor Hamburger in Rochester.
On Watterson as instructor in embryology in Woods Hole.
On Caspari's concept of differentiation.
Typewritten letter, 1 page
Written from Italy during World War II
On his difficulties with graduate students.
Typewritten letter, 1 page