{"identifiers": {"librarything": ["3482776"], "goodreads": ["718260"]}, "title": "Principles of Riding", "subtitle": "Official Instruction Handbook of the German National Equestrian Federation", "authors": [{"key": "/authors/OL2743276A"}], "publish_date": "January 1985", "publishers": ["Arco Pub"], "languages": [{"key": "/languages/eng"}], "isbn_13": ["9780668063937"], "isbn_10": ["0668063939"], "oclc_numbers": ["11113049"], "type": {"key": "/type/edition"}, "source_records": ["amazon:0668063939"], "key": "/books/OL7629331M", "works": [{"key": "/works/OL8243335W"}], "latest_revision": 7, "revision": 7, "created": {"type": "/type/datetime", "value": "2008-04-29T13:35:46.876380"}, "last_modified": {"type": "/type/datetime", "value": "2026-01-07T11:53:12.857817"}}