 | Mapa mundial de los suelos . - 1: 5 000 000 . - Paris : UNESCO < 6.550/001 v > |
 | Geologic map of the Asia and the Far East . - 1: 5 000 000 . - Paris : ONU < 6.550/002 v > |
 | Climatic Regions Map of Asia and the Far Easts (Koppen Classification). . - 1: 5 000 000 . - Bangkog : Royal Thai Army Survey Department < 6.550/006 v > |
 | Hydrological land units in Serayu River basin : Central Java . - 1: 250 000 . - s.l. : s.n., 1977 < 6.425/009 v > |