00277nam a2200109 a 450000500170000008200170001710000210003424500380005526000240009330000220011763000280013920251202164257.0  a001.032bCON  aDempsey, Michael  aConcise encyclopedia of knowledge  aGrafton Booksc1986  a256 p.b24 cmcHB  aKnowledge,encyclopeadia