people
On references to neural crest migration.
On Hamburger's argument that DM neuroms innervate the limbs exclusively. On a paper by Yip related to NGF.
Typewritten letter, 1 page, signed 'Wally'
Typewritten letter, 1 page, signed 'Wally'
Handwritten letter, 4 pages, signed 'Wally'
Private letter on Weigold's travels in the US
Typewritten letter, 1 page
Interest in having Margaret Hollyday work in lab
Part of To Francis Otto Schmitt from The Schmitty Verein, May 1941