found: Mensching, E. Über einen verfolgten Altphilologen, 1987:title page (Paul Maas) page 15, etc. (born November 18, 1880, in Frankfurt am Main; died July 15, 1964)
found: LC data base, December 14, 1988(hdg.: Maas, Paul, 1880-1964)
found: Romanus, Melodus, Saint. Cantica, 1963:title page (edited by Paul Maas, Emeritus Professor of Greek in the University of Königsberg)
found: German Wikipedia, viewed October 18, 2018(Paul Maas (Altphilologe); Paul Maas; born November 18, 1880, in Frankfurt am Main; died July 15, 1964, in Oxford, England; German classicist and Byzantinist; taught at the University of Königsberg; of Jewish heritage, he escaped the Nazi regime by emigrating to England in 1939)