Books by R. Clay:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Clay, R. (Hijo de), (Londres): Dog Breaking : the most expeditious, certain and easy method, whether great excellence or only mediocrity be required, with odds and ends for those who love the dog and gun (John Murray, 1869), also by William Nelson Hutchinson, Taylor, and John Murray (page images at HathiTrust)
Find more by R. Clay at your library, or elsewhere.