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On Hamburger's recent publications on the chick limb-buds. On his upcoming summer visit to Cold Spring Harbor to study Drosophila development.
Message of praise to Ethan Allen Hitchcock Shepley, most likely because of Shepley's retirement from Chancellor of Washington University
Part of To Francis Otto Schmitt from The Schmitty Verein, May 1941
Private letter. On Hamburger's emigration and other emigrated scientists.
Season's greetings.
Request to use high pressure mercury arc lamp
Thank-you note for Hamburger's review of Harrison's paper. On an exhibition for Harrison's anniversary. On Spemann.
On Watterson's book plans. Has some critical remarks on the idea to combine a laboratory manual with a text book for Woods Hole courses. Hamburger also proposes in this letter to translate and update the recent edition of Korschelt's book 'to fill the obvious gap of an English text in invertebrate embryology'.
Cover of To Francis Otto Schmitt from The Schmitty Verein, May 1941
Acceptance of position
On Willier's Biographical Memoir Note by Watterson for the Academy of Science.
Request for informatin regarding manufacturers