Foss, O., Forhandlinger - det Kongelige Norske Videnskabers Selskab, 1943, vol. 16, # 20, p. 72 - 75
Gmelin Handbuch der Anorganischen Chemie, Gmelin Handbook: S: MVol.B2, 20.2.1, page 1024 - 1030
Foss, O., Acta Chemica Scandinavica (1947), 1947, vol. 1, p. 307 - 327
Foss, O., Studies on polythionates and related compounds, Kong. Norske Vidensk. Selsk. Skr. 1945 Nr.2, p. 62
Foss, O., Acta Chemica Scandinavica (1947), 1949, vol. 3, p. 1385 - 1399