الموسوعــــــــــــات 121 Mosby medical encyclopedia 123 Encyclopedia of science 527 Compton's interactive encyclopedia 269 Hutchinson Multimedia Encyclopedia 1997 124 The world book multimedia encyclopedia 197 The new interactive space encyclopedia 276 The world reference atlas 266 History of the world 267 Oxford interactive encyclopedia 268 1999 The world book international 486 20th Century day by day encyclopedia 528 Hutchinson multimedia interactive encyclopedia 553 EUREKA: an interactive encyclopedia discoveries& inventions 488 Webster's millennium 2001 encyclopedia (complete reference library) 548 549 550 551 552 Microsoft ENCARTA encyclopedia             2003 260 261 262 Britannica encyclopedia 2002 (3 CDs)