Publishers and publishing 4 Publishing 3 Books and Bookselling--19th Century 2 Booksellers and bookselling -- Pennsylvania -- Philadelphia 2 Description and travel 2 Economics--19th century 2 Publishing--19th century 2 more ... Selling--Books 2 Accounting 1 Fur trade 1 Overland journeys to the Pacific 1 Publishers and Publishing--Pennsylvania--Philadelphia--19th century 1 Publishers and Publishing--Philadelphia--19th century 1 less ...