Vital mathematics / [by] Edwin Brown Allen ... ; Dis Maly ... ; [and] S. Herbert Starkey, Jr. ... Allen, Edwin Brown, 1898- Maly, Dis, joint author. Starkey, S. Herbert, joint author. Mathematics. QA39 .A4 510.7 ALV "Answers": xxii p. at end. New York : The Macmillan Company, 1944. 1944. 1944 Text vii, 456, xxii p. : eng