Columbia subject headings:
Slavery--United States--Controversial literature.
Society of Friends.
Harvard subject headings:
Slavery--United States--Controversial literature--1753-1770--Early works to 1800.
Society of Friends--Doctrinal and controversial works.
Society of Friends--Early works to 1800
Woolman, John, 1720-1772
Princeton subject headings:
Slavery--United States--Controversial literature--1753-1770.
Society of Friends.