WOLFE, JOHN H.
Practical shop mathematics. Vol.2, advanced. By John H. Wolfe & Everett R. Phelps. Rev. ed.
WOLFE, JOHN H. Practical shop mathematics. Vol.2, advanced. By John H. Wolfe & Everett R. Phelps. Rev. ed. © 21Aug39; A131873. Mary Ann Lindsay (E of J. H. Wolfe), Richard E. Phelps & Charlotte Mann (C of E. R. Phelps); 25May67; R410747.
Mary Ann Lindsay|E of J. H. Wolfe||Richard E. Phelps & Charlotte Mann|C of E. R. Phelps