The Rare Book Detective: books, type, watermarks: 1652 Inhabited initial U (small)
The Rare Book Detective: books, type, watermarks: 1652 Decorated initials S (small)
The Rare Book Detective: books, type, watermarks: 1652 Decorated initial C (small)
The Rare Book Detective: books, type, watermarks: 1652 Impensis Societas typographicae (Paris)
The Rare Book Detective: books, type, watermarks: 1652 paper used by Societatis typographicae librorum officij ecclesiasti