"Trees." . . . . "Japan" . . "Trees Japan Ryukyu Islands." . . "Rkukyu Islands (United States Civil Administration, 1950-1972)" . . "Important trees of the Ryukyu Islands" . "Important trees of the Ryukyu Islands"@en . . "Ryūkyū jūyō jumokushi" . "Guidebooks"@en . "Ryūkyū jūyō jumokushi"@en . . "琉球重要樹木誌" . . . "Important trees of the Ryukyu islands = Ryūkyū jūyō jumokushi"@en . "Important trees of the Ryukyu Islands. U.S. Civil Administration of the Ryukyu Islands in cooperation with Pacific Science Board, National Academy of Sciences, Washington, D.C., Smithsonian Institution, U.S. National Museum, Washington, D.C. [and] Forestry Bureau, Government of the Ryukyu Islands, Naha, Okinawa"@en . . . . . . . . . . . . . . .