A decade of research in early christian literature : 1921-1930 / Gustav Krüger. - Krüger, Gustav, 1862-1922. (OLS)http://pul/name/12905 (s. n.], 1933)
"Reprinted from The Harvard Theological Review, Vol. XXVI. Nos. 3-4, July-October, 1933".

S. Thomae Aquinatis Opusculum De ente et essentia : diligentissime recognitum. - Thomas Aquinas, s., c. 1225-1274. (OLS)http://pul/name/3373 (Marietti, 1933)
"Reimpressio stereotypa, 1820".