Columbia subject headings:
Mifflin, Thomas, 1744-1800.
United States--Politics and government--1775-1783.
Harvard subject headings:
Mifflin, Thomas, 1744-1800.
United States--History--Revolution, 1775-1783.
Princeton subject headings:
Mifflin, Thomas, 1744-1800.
United States--Politics and government--1775-1783.