Pennsylvania--History--Colonial period, ca. 1600-1775 12 Pennsylvania--History--Colonial period, ca. 1600-1775--Sources 11 United States--History--Colonial period, ca. 1600-1775 5 Land speculation--Pennsylvania--Federal period 4 Pennsylvania--History 4 Germantown (Philadelphia, Pa.)--History--Colonial period, ca. 1600-1775 3 Publishing--Periodicals--19th century 3 more ... Publishing--United States--Periodicals--Early 20th Century 3 Germantown (Philadelphia, Pa.)--History--Sources 2 Historians--Pennsylvania 2 Mason-Dixon Line 2 Native Americans 2 Penn, William 2 Pennsylvania--History--1775-1865 2 Philadelphia (Pa.)--History--Colonial period, ca. 1600-1775 2 Polish Americans--Newspapers 2 Polish-American periodicals 2 Swedish Americans--Pennsylvania--Philadelphia--History 2 United States Army--Order-books 2 United States--History--Constitutional period, 1789-1809 2 United States--History--Revolution, 1775-1783 2 West Indies--Commerce 2 Adelaide Neall 1 Advertising--Brand name products--United States 1 Advertising--Pennsylvania--Philadelphia--19th century 1 Advertising--Periodicals 1 Advocacy organizations--Philadelphia--20th century 1 African American Methodists 1 African American business enterprises--Pennsylvania--Philadelphia 1 African American businesspeople--Pennsylvania--Philadelphia 1 African American businesspeople--Social networks 1 African American clergy 1 African American--Self-employed 1 African Americans--Education--Pennsylvania--Philadelphia 1 Agriculture--United States--Early works to 1800 1 Almanacs, American 1 American Council of Polish Cultural Clubs 1 American Swedish Historical Museum (Philadelphia, Pa.) 1 American wit and humor--Periodicals 1 Anti-communist movements--United States 1 less ...