Silberstein, Ludwik, 1872- **E)5128.43 Projective vector algebra. An algebra of vectors independent of the axioms of congruence and of parallels — London. G., Bell & Sons, Ltd. 1919. (7), 78 pp. Diagrams. 22 cm., in 8s.
 
| \y This card was printed at the Boston & Public Library, September 9, 1920
| I869\— T.r. — Vectors. — Modern higher algebra.