monograph

A scholarly piece of writing of essay or book length on a specific, often limited subject.

To write a monograph on.

To write or produce a monograph on; treat in a monograph.

An account or description of a single thing or class of things; a treatise on a single subject or a single department, division, or detail of a branch of study.

A written account or description of a single thing, or class of things; a special treatise on a particular subject of limited range.