In music notation, a short vertical line extending upward, often from the head of a note or neume form. See also: descender, stem.

In manuscript production, a quire made of two sheets of parchment folded in half, producing four leaves, eight sides in total. (Single sheet: bifolium, 5 sheets: quinion)

A musical text present in multiple manuscript sources.

In music notation, a short vertical line extending downward, often from the head of a note or neume form. See also: ascender, stem.

Either the same consonant letter occurring twice in succession within a word, or two different consonant letters occurring in succession.

An instance when written text or music notation has been removed from the parchment via scraping or other method of removal.

A printed book that attempts to re-create the appearance of a manuscript. Typically containing photographs of the manuscript, though the level of detail and quality may vary. Facsimiles have been in u [..]

One sheet (front and back) of writing material (in the SoBS manuscripts, parchment). Abbreviated as f. for a single page, ff. for multiple pages. See also: leaf.

Also called a quire or booklet, a single unit of measurement for the groupings of writing material that make up a manuscript or book.

Referring to the particular script or handwriting of an individual scribe.