Publications
On the outline of one of their book chapters.
Thank-you note for Hamburger's laboratory outline on the production of double hearts. On the method of Graeper to produce double hearts in chick embryos. On his upcoming seminar on 'embryonic differentiation'.
Typewritten letter, 2 pages
On Hamburger's paper in JEZ on behalf of Holtfreter's 65th birthday.
Short note on a recent publication by F. E. Lehmann on Physological Embryology.
Reply to publisher, considering bid, discussion of set-up of biolgrpahy of Hans Spemann
Proposing a Journal of Embryology. On his upcoming Jessup lectures at Columbia, on recent travels.
Request for reprints on NGF articles, discussion of research on spinal ganglia
First version of a proposal for the symposium 'The Genetic Control of Embryonic Development' (Chair: B. H. Willier) at the Dallas meeting of the American Association for the Advancement of Science.
On Hamburger's review of Needham's 'Biochemistry and Morphogenesis'. On Steinbach. On the staff for the Woods Hole embryology course.
Thank-you note for Hamburger's seminar notes on the lens problem.
Typewritten letter, 1 page