Correspondance

Klara Spemann to Unclear, 1964
Handwritten, Typewritten
K. Sander to Viktor Hamburger, 1985
Typewritten
Hans Spemann to Viktor Hamburger, 1926
Handwritten
G. Schmidt to Viktor Hamburger, 1973
Typewritten
Hans Spemann to Viktor Hamburger, 1934
Handwritten
Hans Spemann to Viktor Hamburger, 1933
Handwritten
E. J. W. to Paul Sher-pu Shieh, 1950
Typewritten
Hans Spemann to Viktor Hamburger, 1934
Handwritten
Hans Spemann to Viktor Hamburger, 1933
Handwritten
Unclear to Viktor Hamburger, 1934
Handwritten
G. Schmidt to Viktor Hamburger, 1967
Typewritten
Unclear to Viktor Hamburger, 1933
Handwritten

Pages