Columbia subject headings:
Penn, William, 1644-1718.
Pennsylvania--History--Colonial period, ca. 1600-1775--Sources.
Pioneers--Pennsylvania--Correspondence.
Quakers--Biography.
Society of Friends--History--17th century--Sources.
Society of Friends--History--18th century--Sources.
Harvard subject headings:
Penn, William, 1644-1718
Penn, William, 1644-1718--Correspondence.
Pennsylvania--History--Colonial period, ca. 1600-1775--Sources.
Personal correspondence.
Pioneers--Pennsylvania--Correspondence.
Quakers--Biography
Society of Friends--History--17th century--Sources.
Society of Friends--History--18th century--Sources.
Society of Friends--History--Sources.
Princeton subject headings:
Penn, William, 1644-1718.
Pennsylvania--History--Colonial period, ca. 1600-1775--Sources.
Pioneers--Pennsylvania--Correspondence.
Quakers--Biography.
Society of Friends--History--17th century--Sources.
Society of Friends--History--18th century--Sources.