Take a number mathematics for the two billion.
Lieber, Lillian (Rosanoff)
Take a number mathematics for the two billion. Words by Lillian R. Lieber, drawings by Hugh Gray Lieber. - Lancaster, Pa. The Jacques Cattell press [1946] - vii, [2], 221 p. incl. front., illus., diagrs. 22 cm.
47001469 //r88
Mathematics
QA39 / .L489
510
Take a number mathematics for the two billion. Words by Lillian R. Lieber, drawings by Hugh Gray Lieber. - Lancaster, Pa. The Jacques Cattell press [1946] - vii, [2], 221 p. incl. front., illus., diagrs. 22 cm.
47001469 //r88
Mathematics
QA39 / .L489
510