Non-Riemannian geometry / by Luther Pfahler Eisenhart ... Eisenhart, Luther Pfahler, 1876-1965. Geometry, Differential. QA641 .E55 516.7 EIN "This book contains with subsequent developments, the material presented in my lectures at the Ithaca Colloquium, in September, 1925, under the title The new differential geometry."--p. v. Bibliography: p. 181-184. New York : American Mathematical Society, c1927. c1927. 1972 Text vii, 184 p. : eng American Mathematical Society. Colloquium publications, vol. VIII