Columbia subject headings:
Harvard subject headings:
Anthropologists--Germany--Correspondence.
Blumenbach, Johann Friedrich, 1752-1840--Correspondence.
Physicians--Germany--Correspondence.
Physiologists--Germany--Correspondence.
Princeton subject headings:
Blumenbach, Johann Friedrich, 1752-1840--Correspondence.
Physicians--Germany--Correspondence.
Physiologists--Germany--Correspondence.