Books and Bookselling--19th Century Publishers and Publishing--Pennsylvania--Philadelphia--19th century 3 Booksellers and bookselling -- Pennsylvania -- Philadelphia 2 Economics--19th century 2 Medical Publications--19th century 2 Medical Publications--20th century 2 Publishers and publishing 2 more ... Publishing 2 Publishing--19th century 2 Selling--Books 2 Medical illustration 1 Medical publishing 1 Publishers and Publishing--Pennsylvania--Philadelphia--20th century 1 Publishers and Publishing--Philadelphia--19th century 1 Publishers and Publishing--Philadelphia--20th Century 1 Publishing and Publishers--Philadelphia--18th century 1 Publishing--Limited Editions 1 Publishing--Periodicals--19th century 1 Publishing--United States--Periodicals--Early 20th Century 1 less ...