Love-letters 3 Genealogy 2 Spouses--Correspondence 2 World War, 1939-1945 2 Agriculture--United States--Early works to 1800 1 Berks County (Pa.)--History 1 Berks County (Pa.)--History--18th century 1 more ... Botany--Eighteenth Century 1 Botany--Nomenclature 1 Churches--Presbyterian--History 1 Courtship--1850-1900 1 Families--Pennsylvania--Harrisburg 1 Family--Anecdotes 1 Genealogical correspondence 1 Genealogy & local history 1 Germantown (Philadelphia, Pa.)--History--Colonial period, ca. 1600-1775 1 Germantown (Philadelphia, Pa.)--History--Sources 1 Greek letter societies 1 Iroquois Indians--18th century 1 Iroquois Indians--Early works to 1800 1 Iroquois Indians--Government relations 1 Iroquois Indians--Government relations--To 1789 1 Iroquois Indians--Land tenure 1 Iroquois Indians--Land tenure--Early works to 1800 1 Iroquois Indians--Treaties 1 Lawyers--Pennsylvania--Harrisburg 1 Letters (Correspondence)--1870-1900 1 Medicine 1 Medicine--Early works to 1800 1 Mohawk Indians--Early works to 1800 1 Mohawk Indians--Government relations 1 Mohawk Indians--History--18th century 1 Mohawk Indians--Land tenure 1 Native Americans 1 Naturalists--United States--Correspondence 1 New York (State) History French and Indian War, 1755-1763 1 Numerical taxonomy 1 Pennsylvania--Genealogy 1 Pennsylvania--History--French and Indian War, 1755-1763 1 Pennsylvania--History--French and Indian War, 1755-1763--Registers 1 less ...