people
a letter and its translation in which Hans Spemann dicusses his 70th birthday, recent travels, and future plans
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Greetings and situations of embryology in University of Groningen
Brief description of the Bermuda Marine Laboratory and discussions about the significance of hyperplasia in nerve development.
8 slides and legends. Research discussions
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Script for talk at Neuroscience meeting.
Invitation to give Julian Tobias lecture at University of Chicago. Enclosed papers
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