Archiv für Naturgeschichte Abteilung B (Nicolai, 1916)

Bulletin - United States National Museum (G.P.O, 1915)

Bulletin - United States National Museum (G.P.O, 1915)

Bulletin - United States National Museum (G.P.O, 1915)

Journal de conchyliologie (P.-H. Fischer, 1921)