TY - BOOK ID - 127931538 TI - The western world in the twentieth : a source book from the contemporary civilization program in Columbia college, Columbia University PY - 1961 PB - New York (N.Y.) : Columbia university press, DB - UniCat KW - Civilization, Modern KW - Sources. UR - https://www.unicat.be/uniCat?func=search&query=sysid:127931538 AB - ER -