Winchell, N. H. (Newton Horace), 1839-1914.
Elements of optical mineralogy; an introduction to microscopic petrography, by N.H. Winchell and A.N. Winchell; entirely rewritten and much enlarged by Alexander N. Winchell ...
Optical mineralogy.
Optical mineralogy. fast (OCoLC)fst01046781
Winchell, Alexander Newton, 1874-1958, joint author.