Papers read to the X. international Congress of psychology at Copenhagen, 1932 - Bartlett, Frederic Charles, Sir, 1887-1969; Boring, Edwin Garrigues, 1886-1968; Brugmans, Hendrik (Henri Johan Frans Willem), 1906-1997; Révész, Géza, 1878-1955 (The Hague : Martinus Nijhoff, 1935)