TY - GEN TY - GEN T1 - An encyclopedia of world history : ancient, medieval, and modern, chronologically arranged A1 - Langer, William Leonard LA - eng PP - Boston PB - Houghton Mifflin YR - 1972 ED - 5th ed., rev. and enl UL - https://kansalliskirjasto.finna.fi/Record/vaari.1508251 OP - 1569 SN - 0395135923 KW - History. : Outlines, syllabi, etc. ER -