{"isbn_13": ["9781418187453"], "physical_format": "Paperback", "subtitle": "Vol. 1.", "weight": "15 ounces", "languages": [{"key": "/l/eng"}], "publishers": ["Scholarly Publishing Office, University of Michigan Library"], "number_of_pages": 208, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 13206165, "first_sentence": {"type": "/type/text", "value": "On June 18, 1879, a circular was issued by Messrs. Valentine, Fuller, and Wiestling of Pennsylvania, and William Milnes, Jr., of Virginia, inviting all producers of charcoal iron to meet for for mutual acquaintance."}, "isbn_10": ["1418187453"], "publish_date": "December 20, 2005", "key": "/b/OL9849740M", "authors": [{"key": "/a/OL2982176A"}], "title": "Journal of the United States association of charcoal iron workers", "type": {"key": "/type/edition"}, "subjects": ["History / United States / General"], "physical_dimensions": "8.4 x 7.5 x 0.5 inches", "revision": 1}