1921 National Geographic: sebuah peta yang menunjukkan wilayah-wilayah kendali politik di Pasifik. Salah satu wilayah tersebut digambarkan sebagai "Mandat Jepang".
Di Jepang, wilayah ini dikenal sebagai " 'mandat Jepang untuk Kepulauan Laut Selatan' " (日本 委任 統治 領 南洋 群島code: ja is deprecated , Nihon Inin Tōchi-ryō Nan'yō Guntō) dan diperintah oleh 'Pemerintahan Nan'yō' (南洋 廳code: ja is deprecated , Nan'yō Chō).
Nish, Ian (1991). Japanese Foreign Policy in the Interwar Period. Praeger Publishers. ISBN0-275-94791-2.
Howe, Christopher (1999). The Origins of Japanese Trade Supremacy: Development and Technology in Asia from 1540 to the Pacific War. University Of Chicago Press. ISBN0-226-35486-5.
Peattie, Mark (1988). Nan'Yo: The Rise and Fall of the Japanese in Micronesia, 1885-1945 (Pacific Islands Monograph Series). University of Hawaii Press. ISBN0-8248-1480-0.
Annual report to the League of Nations on the administration of the South Sea islands under Japanese Mandate. [Tokyo]: Japanese Government. (Years 1921 to 1938)
Arnold, Bruce Makoto. “Conflicted Childhoods in the South Seas: The Failure of Racial Assimilation in the Nan’yo”. The Tufts Historical Review Vol 4, No. 11 (Spring 2011)
Herbert Rittlinger, "Der Masslose Ozean", Stuttgart, Germany, 1939
Cressey George B. "Asia's Lands and Peoples", X Chapter: "Natural Basis of Japan" (P.196-285), section "South Seas" (p.276-277).,1946
Sion, Jules. "Asie des Moussons", Paris Librarie Armand Colin, (1928) I, 189-266, Chapter X "The Nature of Japan", section XIII "Japanese Colonial Empire" (p.294-324), and section IV "Formosa and Southern Islands" (p.314-320)
Book "Asia", Chapter X "Japanese Empire" (p.633-716), section "The Japanese islands in South Seas".
Childress, David Hatcher,"The Lost City of Lemuria & The Pacific", 1988. Chapter 10 "The Pohnpei Island, in finding of sunken city"(p.204-229)