Geometry. Non-Euclidean,
Sommerville, Duncan McLaren Young, 1879- **E)5129.204 The elements of non-Euclidean geometry. — Chicago. The Open Court Publishing Co, 1919. xvi, 274 pp. Diagrams. 18cm., in 8s.
This card was print.d at the Boston _ Public Library, Ja vary 31, 1921.
Ms03 — Geometry. Non-Euclidean.