pp. 3–4A message from the president // Brief words from the editor-in-chiefJan Philip SolovejFernando P. da Costa
pp. 66–67Book review: “Differential Geometry in the Large” by O. Dearricott, W. Tuschmann, Y. Nikolayevsky, T. Leistner and D. Crowley (eds.)Bernd Ammann
p. 67Book review: “Hurwitz’s Lectures on the Number Theory of Quaternions” by Nicola Oswald and Jörn SteudingJohn Voight