Memoirs of the American Mathematical Society, ISSN 0065-9266 ; number 252
Print version: Von Neumann, John. Continuous geometries with a transition probability. Providence, Rhode Island : American Mathematical Society, [1981] vii, 210 ; 26 cm Memoirs of the American Mathematical Society ; no. 252 ISBN 9780821822524
"Reproduces a manuscript (third draft) written by John von Neumann in 1937 (the original hand-written manuscript is kept in the J. von Neumann file in the Library of Congress)"--Foreword