Books by Karl Friedrich Trost:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Trost, Karl Friedrich: Unterricht im schachspiele, von einer Gesellschaft von liebhabern (C. A. Nicolai, 1797), also by Société d'ameteurs, Philip Stamma, Friedrich Nicolai, and Gesellschaft von Liebhabern (page images at HathiTrust)
Find more by Karl Friedrich Trost at your library, or elsewhere.