The Rare Book Detective: books, type, watermarks: 1535 children alphabet A - del. Anton von Worms
The Rare Book Detective: books, type, watermarks: 1533 inhabited initial C - ANton von Worms children's alphabet
The Rare Book Detective: books, type, watermarks: 1532 children initial B by Anton Von Worms
The Rare Book Detective: books, type, watermarks: 1532 inhabited initial P copy 1