3.
Letter from Carl Linnaeus the Younger to Abraham Bäck, 11 April 1783
Linnaeus, Carl, the Younger, 1741-1783 (author in his/her own hand)
Bäck, Abraham, 1713-1795 (correspondent)
letter
1783-04-11
KIB MS 27:120
Karolinska Institutet, Hagströmerbiblioteket