WINCHELL, N. H.
Elements of optical mineralogy; an introduction to microscopic petrography. Pt.3: Determinative tables. By N. H. Winchell and A. N. Winchell. Entirely rewritten and much enl. by Alexander N. Winchell. 2d ed.
WINCHELL, N. H. Elements of optical mineralogy; an introduction to microscopic petrography. Pt.3: Determinative tables. By N. H. Winchell and A. N. Winchell. Entirely rewritten and much enl. by Alexander N. Winchell. 2d ed. © 14Dec29; A16594. Horace Winchell (Son of A. N. Winchell); 19Dec56; R183217.
Horace Winchell|Son of A. N. Winchell