Columbia subject headings:
Authors, German--18th century--Correspondence.
Campe, Joachim Heinrich, 1746-1818--Correspondence.
Harvard subject headings:
Authors, German--18th century--Correspondence
Campe, Joachim Heinrich, 1746-1818--Correspondence.
Princeton subject headings:
Authors, German--18th century--Correspondence.
Campe, Joachim Heinrich, 1746-1818--Correspondence.