Columbia subject headings:
Authors, German--18th century--Correspondence.
Pfeffel, Gottlieb Konrad, 1736-1809--Correspondence.
Schweighäuser, Johann Gottfried, 1776-1844--Correspondence.
Harvard subject headings:
Authors, German--18th century--Correspondence
Pfeffel, Gottlieb Konrad, 1736-1809--Correspondence.
Schweighäuser, Johann Gottfried, 1776-1844--Correspondence.
Princeton subject headings:
Authors, German--18th century--Correspondence.
Pfeffel, Gottlieb Konrad, 1736-1809--Correspondence.
Schweighäuser, Johann Gottfried, 1776-1844--Correspondence.