Hamburger, Viktor
Request for reccomendation for grant
Translation of Spemann's letter July 22, 1937
Thank you for help
Travel and position update
Personnel discussions. Sending additional reprints
Expression of interest in working in department
Thank you for visit. Plans to use electron microscope
abstract: Morphological changes between proliferating cells in normal and degenerated rat optic nerve
Request for consideration for assistantship or fellowship
Commentary about various possible hires for a visiting professor position at Columbia University