John H. Wolfe & Everett R. Phelps.
Practical shop mathematics. Vol. 2: advanced., 3rd ed.
R646581. Practical shop mathematics. Vol. 2: advanced. By John H. Wolfe & Everett R. Phelps. 3rd ed. © 17Mar49; A31265. Mary Ann Lindsay (NK of John H. Wolfe) & Charlotte Mann (C of Everett R. Phelps); 19Nov76; R646581.
Mary Ann Lindsay|NK of John H. Wolfe||Charlotte Mann|C of Everett R. Phelps