Rodolphe de Laon. **¥E.5111.18.5 Der arithmetische Tractat des Radulph von Laon, von Dr. Alfred Nagl.
(In Abhandlungen zur Geschichte der Mathematik. Heft 5, pp. 85-133. Tables. Leipzig. 1890.)
This card was printed at the Boston ee Pubic Library Oc aber 20, 024.
Mo845 — Nagl, Alfred, ed. — Arithmetic. In Latin.