Codex: Book constructed of a number of sheets of paper, or similar materials, typically reserved for manuscripts.
Book of Hours: Devotional text often enriched with images and intended for private use.
Facsimile: An exact copy of written or printed material.
Folio: General term for a page, sheet, or leaf of paper, especially in manuscripts.
Historiated Initials: An initial or enlarged letter at the beginning of a paragraph or section of text that contains a picture.
Illuminated Manuscript: Manuscript enriched with images, including pictures, embossed initial letters, or full-page images.
Incipit: Opening words of a text, manuscript, early printed book, or chanted liturgical text.
Index/Manicule: Symbol, often of a hand, directing the reader's attention to a section of text.
Paleography: The study of ancient and historical handwriting, including deciphering, reading, and dating historical texts.
Recto: Right-hand or front page of a hand-written or printed loose-leaf paper bound in a codex, pamphlet, broadsheet, or book.
Rubrication: Medieval manuscript technique designed to create emphasis in text with the addition of read headings.
Scroll: A roll of paper, parchment, or papyrus containing writing.
Shelf Mark: Notation such as numbers and letters on a book showing its place in a library.
Verso: Left-hand or back page of a hand-written or printed loose-leaf paper bound in a codex, pamphlet, broadsheet, or book.
Vellum: Prepared animal skin or membrane used as a material for writing.