Correspondence
Typewritten letter, 3 pages
Typewritten letter, 1 page
Invitation to give a seminar at the Johns Hopkins University by the Committee on Cancer Teaching and Research of the Medical School
Updates on reprints and experiments
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'
On transplanting single segments of the quail neural tubetogether with the overlying neural crest into chick embryos to study the migration of neural crest cells that form sympathetic chain ganglia.
On references to neural crest migration.
Handwritten letter, 4 pages, signed 'Wally'