monograph
noun
a treatise on a particular subject, as a biographical study or study of the works of one artist.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He was what is known as a "monographist," a thesis-writer; and it had become apparent to all that he was not long for the Woodbridge world.
From Tutors' Lane by W. S. (Wilmarth Sheldon) Lewis