百科全書 (Encyclopedia) :擷取古今中外人類知識的精華

專科百科全書

Health & Medical Encyclopeidas

◆ The adam Health Illustrated Encyclopedia
includes over 4,000 articles about diseases, tests, symptoms, injuries, and surgeries.
It also contains an extensive library of medical photographs and illustrations.

◆ Medical Encyclopedia
Want to know more about a health topic? Wondering about a specific symptom
or disease condition? Browse through the alphabetical listings of the Medical Encyclopedia.

◆ ARIC's AIDS Medical Encyclopedia

一般百科全書 General Encyclopedias

◆ Britannica.com - Nearly boundless research tool.

◆ Columbia Encyclopedia - Full text at Bartleby.com.

◆ Encarta Online - Abridged version of software.

◆ Encyclopedia.com - Simple and free encyclopedia.

◆ Information Please - Encyclopedia and dictionary in one.

◆ Symbols.com - Encyclopedia of graphic symbols.

◆ xrefer - Encyclopedia, thesaurus and quotations in one