Genre
- picture postcards20
- bildungsromans19
- cultural artifacts19
- scores (documents for music)19
- artifacts (object genre)18
- military records18
- perspective views (images)18
- surveys (documents)18
- reproductions (derivative objects)17
- business letters16
- indexes (reference sources)16
- documents (object genre)15
- home movies15
- record books15
- sketchbooks15
- aerial photographs14
- illuminated manuscripts14
- invoices14
- letter books14
- receipts (financial records)14