Main (Thompson) Library location: North wing -- Fourth window. Louis Olivelli (c.14-- – c. 15--) was a printer and bookseller who began his career during the early 16th century in Valence, located in Drôme, a region in southeast France. Around 1510, Olivelli entered a partnership with printer Jean Belon, with whom he published a work entitled Nova constitutio. Five years later, Olivelli himself printed Libri de historia juris civilis et pontificii, a book written by Aymar du Rivail, a notable jurist and historian who wrote a number of legal commentaries and criticisms. This remains the only book attributed to his printing press. Olivelli employed a relatively simple printer's mark. In the Vassar Library it appears as a patriarchal cross extending upward from an orb-and-cross. Here this traditional motif serves as both a Christian symbol and the printer's monogram. The orb itself forms the O, and a smaller L is inscribed within.