Medicine 2 Academy of Music (Philadelphia, Pa.) 1 Art Historians--United States--20th century 1 Art, American--18th century 1 Artists--Correspondence 1 Artists--Pennsylvania--Philadelphia 1 Artists--Pennsylvania--Philadelphia--20th century 1 more ... Books and Bookselling--19th Century 1 Charities--Pennsylvania--Philadelphia 1 Childhood 1 Children--Correspondence--19th century 1 City planning 1 Classicism in art--Great Britain 1 College trustees--United States 1 Department stores--Pennsylvania--Philadelphia 1 Depressions--1929--Pennsylvania--Philadelphia 1 Elementary school principals--New York (State)--New York 1 Engraving, British--18th century 1 Engraving--19th century 1 Europe--Description and travel 1 Great Central Fair for the U.S. Sanitary Commission (1864 : Philadelphia, Pa.) 1 Hotels--Pennsylvania--Philadelphia 1 Illustrated books--Extra-illustrated 1 Insurance companies--United States 1 Italian Americans--Fiction 1 Jews, American 1 Medical Publications--19th century 1 Medical Publications--20th century 1 Medical illustration 1 Medical publishing 1 Medicine--Recipes--19th century 1 Medicine--Study and Teaching--19th century 1 Medicine--home remedies 1 Mezzotint engraving, English--18th century 1 Mortgage banks--United States 1 Motion picture theaters--Pennsylvania--Philadelphia--1920-1940 1 Multicultural education--New York (State)--New York 1 Music--Programs and Playbills 1 Newspapers--Pennsylvania--Philadelphia 1 Newspapers--Pennsylvania--Philadelphia--20th century 1 less ...