Haan, M.c.p. De, Galle, J.g.c.m., Keijzer, T.a., Manouzi, O. El, Swaak, J.p., Vletter-van Dort, H.m. (1) Macbride, Stuart (1) White, E. B. (1) Richards, John Stuart (1) Bucholz, Robert (loyola University Of Chicago), Key, Newton (eastern Illinois University) (1)