Erhard Wolf's new book is titled:
Jagd-Feuerwaffen, Kunstwerke der Büchsenmacher aus dem 17. bis 19. Jahrhundert.
Hunting Firearms, Artworks of the gunsmiths from the 17th to the 19th century
It covers matchlocks, wheel-locks, & flintlocks. Great study of "Functional Art. High quality illustrated book with over 750 color illustrations, paintings and engravings.
https://jaegerbuechsen.com/