Artists--Correspondence Art and Artists--Pennsylvania--Philadelphia--19th Century 1 Art and artists--Pennsylvania--Philadelphia 1 Art--Pennsylvania--Philadelphia--Exhibitions 1 Artists--Pennsylvania--Philadelphia 1 Classicism in art--Great Britain 1 Clubs and Associations--Philadelphia--20th century 1 more ... Engraving, British--18th century 1 Illustrated books--Extra-illustrated 1 Mezzotint engraving, English--18th century 1 Museums--Philadelphia--19th century 1 Naturalists--United States--Correspondence 1 Ornithology--19th century 1 Painting, American--European influences 1 Prints--Technique--20th century 1 Religious art 1 United States Exploring Expedition (1838-1842) 1 less ...