Correspondence
On the correction of the manuscript.
On governmental regulation that make it impossible to visit Hamburger in the US.
On his graduate students. How to obtain frog eggs for experiments. On his upcoming course and lecture in Experimental Embryology.
Critical comments on "Analysis of Development".
On collecting salamander species. On his recent interdepartmental seminar lecture on Embryonic induction and cancer.
On a visit from F. O. Schmitt and their conversation on protoplasmic structures. Requesting the adress of his sister in Detmold: "I have not yet contacted anyone of my family, and it is heartbreaking to see how they are starving while we are filling our belly (...)".
On his recent talk at the symposium of the New York Academy. On the situation at his department. General remarks on symposia in biology.
On Hamburger's latest book. On Waddington.
On the proofs for their chapter in "Analysis of Development".
On his upcoming lecture series at Columbia. On getting the permission for visiting the US.
On the section of their chapter on Fate Mapping.
On ideas for their chapter in 'Analysis of Development'.
On his difficulties to write papers in English. Thank-you note for reprints.
Review of Waddington's "Principles of Embryology".
On his workload.
On his recent trips to South America and Europe. On Seidel's work on Mammalian Embryology and his institute near Hannover, Germany.
Corrections for their chapter in 'Analysis of Development'. Has critical remarks on Paul Weiss.
On Caspari as chairman of the Rochester zoological department. On the recent visits of Steinbach et al. at Rochester.
Satirical comment on the manuscript.
Typewritten CV, 1 page
Typewritten letter, 1 page
Typewritten letter, 1 page
Typewritten letter, 1 page