As a mass noun: miscellaneous items, esp. literary compositions, that have been collected together, regarded collectively.

A literary work consisting of miscellaneous or disconnected pieces; a written composition having no fixed form or plan. Sometimes depreciative. Obs…

In plural. Separate articles, treatises, or other studies on a subject collected into one volume; literary compositions of various kinds brought…

A book, volume, or literary production containing miscellaneous pieces on various subjects.

Miscellaneous. Also as n.: = miscellanea, n.

In plural. Literary materials of various kinds. Obsolete. rare.

figurative. A collection of various artistic or literary pieces, a book containing miscellaneous items (such as engravings, or poems) on various…

With plural agreement. Passages, remarks, etc., collected from various sources; (as collective singular) a collection of passages, a miscellany.

figurative. A collection of diverse literary extracts; a literary miscellany; an anthology.