Publishing--Periodicals--19th century Advertising--Pennsylvania--Philadelphia--19th century 1 Books and Bookselling--19th Century 1 Medical Publications--19th century 1 Medical Publications--20th century 1 Medical illustration 1 Medical publishing 1 more ... Publishers and Publishing--Pennsylvania--Philadelphia--19th century 1 Publishers and Publishing--Pennsylvania--Philadelphia--20th century 1 Publishing--Limited Editions 1 Publishing--United States--Periodicals--Early 20th Century 1 less ...