Correspondence
Comments on Hans Spemann
Nomination of Spemann to the National Academy of Sciences
Note on visit
Thank you for photographs
Confirmation of results
Regrets on situation in Germany and Hamburger's current position
Notes on publication.
Notes on death of Spemann
Arrangements for visit
Typed Letter, 1 page
Typewritten
Handwritten letter, 1 page
Request to quote Hamburger's study of influenza virus in chick embryo in a paper.
Postcard to Trinkaus
Letter to Trinkaus and Dunn about planning for Michael Abercrombie's Festschrift
Letter to Trinkaus and Dunn about planning for Michael Abercrombie's Festschrift
Letter about planning the Abercrombie symposium
Letter to Trinkaus about Michael Abercrombie's illness.
Letter to Trinkaus, confirming that the manuscript was received.
Letter to Trinkaus about the Abercrombie memorial.
Letter to Trinkaus, thanking him for his long abstract.
Letter to Trinkaus about his manuscript and the title of his manuscript.