() = pencil date (probably by a bookdealer, since it sometimes incorporates a price).

All manuscripts on paper. Each item a bifolium unless otherwise noted. Seals applied through paper, usually on page 1 of bifolium. Main text usually begins on p.2 of bifolium, commonly using pages 2-3 as a single sideways sheet. Most have added texts and counter-signatures, especially on pages 1 and 4 of bifolium.