A monograph is a work of writing which is about a single subject, and is usually written by a single author. Monographs form a component of review literature in science and engineering.
Shortly after her assignment to the USS Enterprise in 2265, Ensign Beltre was reading a monograph on phaser failure whilst drinking a cup of coffee in the rec room. (TOS - My Brother's Keeper novel: Constitution)
Izay was known in the Goeg Domain for writing monographs about polyenzyme therapies. (TOS novel: The Shocks of Adversity)
In the 2370s, Ainad Secori of Muuldax Prime published a monograph of the treatment and cure Goryyn's Syndrome. (DS9 novel: Saratoga)