Binding: 18th century calf over pasteboards, with blind-tooled panels; sewn onto five supports; blind-tooling, title and shelfmark on the spine.Full catalogue description in SOLOContents note: Some marginal reading marks in pencil.Decoration: Simple ornamental motifs on title page and throughout the volume.Dimensions: 236mm (height) × 177mm (width) × 21mm (depth).Layout: Text printed in a single column. Hebrew types resembling square and semi-cursive scripts. Several illustrative genealogical diagrams.Forbidden marriages according to the Karaite law. The author of the book, Judah Poki was a Karaite scholar who was based in Constantinople but travelled widely to study Karaite writings. His work Sha‘ar Yehudah that deals with forbidden marriages was published by his son Isaac in Constantinople in 1581.