The boys' book of stamp collecting by Douglas B. Armstrong..
{"id": "ld1-1646149545906-1646150779317-0", "version": "", "unitCode": "SIL", "linkedId": "0", "type": "edanmdm", "content": {"descriptiveNonRepeating": {"record_ID": "siris_sil_291929", "online_media": {"mediaCount": 1, "media": [{"thumbnail": "https://library.si.edu/sites/default/files/styles/book_cover_small/public/books/covers/boysbookofstampc00arms_cover.jpg", "usage": {"access": "CC0"}, "type": "Scanned books", "content": "https://doi.org/10.5479/sil.291929.39088000593806"}]}, "unit_code": "SIL", "title_sort": "BOYS BOOK OF STAMP COLLECTING BY DOUGLAS B ARMSTRONG", "record_link": "https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!291929~!0#focus", "title": {"label": "Title", "content": "The boys' book of stamp collecting by Douglas B. Armstrong.."}, "metadata_usage": {"access": "CC0"}, "data_source": "Smithsonian Libraries"}, "indexedStructured": {"date": ["1910s"], "object_type": ["Books", "Electronic information resources"], "name": ["Armstrong, Douglas Brawn"], "topic": ["Postage stamps", "Stamp collectors"], "language": ["English language"], "online_media_type": ["Scanned books"]}, "freetext": {"date": [{"label": "Date", "content": "1914"}, {"label": "Date", "content": "[1914]"}], "identifier": [{"label": "Call number", "content": "HE6185 .A73 1914"}, {"label": "Call number", "content": "HE6185.A73 1914"}], "notes": [{"label": "Notes", "content": "Also available online."}, {"label": "Notes", "content": "Elecresource"}], "name": [{"label": "Author", "content": "Armstrong, Douglas Brawn 1888-"}], "topic": [{"label": "Topic", "content": "Stamp collecting"}, {"label": "Topic", "content": "Stamp collectors"}], "physicalDescription": [{"label": "Physical description", "content": "227 p. front., illus., plates, facsim., diagr. 20 1/2 cm"}], "dataSource": [{"label": "Data Source", "content": "Smithsonian Libraries"}], "objectType": [{"label": "Type", "content": "Electronic resources"}]}}, "url": "edanmdm:siris_sil_291929", "hash": "285f5e03aa060d8c41f9de598751f012d1087394", "docSignature": "ad8f845846d29cbbe6d424989c4bb233", "timestamp": 1582103449, "lastTimeUpdated": 1582103449, "title": "The boys' book of stamp collecting by Douglas B. Armstrong.."}