Books by Gisbert Koen:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Koen, Gisbert, 1736-1767: Gregorii Corinthii et aliorum grammaticorum libri de dialectis linguae graecae. (sumtibus Io. Aug. Gottl. Weigel, 1811), also by abp. of Corinth Gregorius, Gottfried Heinrich Schäfer, Jean François Boissonade, Friedrich Jakob Bast, and Manuel Moschopulus (page images at HathiTrust)
Find more by Gisbert Koen at your library, or elsewhere.