{"isbn_13": ["9780812236255"], "physical_format": "Hardcover", "subtitle": "The Photographs of William H. Rau", "weight": "2.7 pounds", "languages": [{"key": "/l/eng"}], "type": {"key": "/type/edition"}, "publishers": ["University of Pennsylvania Press"], "number_of_pages": 260, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12697037, "first_sentence": {"type": "/type/text", "value": "In 1855, when William H. Rau was born, Philadelphia was only beginning to emerge as a world industrial power."}, "isbn_10": ["0812236254"], "publish_date": "March 10, 2002", "key": "/b/OL9420970M", "authors": [{"key": "/a/OL3256941A"}, {"key": "/a/OL950401A"}, {"key": "/a/OL385596A"}, {"key": "/a/OL216815A"}], "title": "Traveling the Pennsylvania Railroad", "contributions": ["John C. Van Horne (Editor)", "Eileen E. Drelick (Editor)"], "subjects": ["Photographs: collections", "Trains & railways: general interest", "c 1800 to c 1900", "Architectural & Industrial", "Pictorial works", "Photography", "Photo Essays", "Pennsylvania", "Collections, Catalogs, Exhibitions", "Individual Photographer", "Subjects & Themes - Travel - U.S./Mid-Atlantic", "Photography of railroads", "Rau, William Herman,", "1855-1920", "Pennsylvania Railroad"], "physical_dimensions": "10.3 x 8.7 x 1.1 inches", "revision": 1}