Columbia subject headings:
Marcinkowski, Karol, 1800-1846--Correspondence.
Marcinkowski, Karol, 1800-1846.
Physicians--Poland--Correspondence.
Harvard subject headings:
Marcinkowski, Karol, 1800-1846--Correspondence.
Marcinkowski, Karol, 1800-1846.
Physicians--Poland--Correspondence.
Princeton subject headings: