很多搜尋器都提供分類目錄搜尋,例如:
- 化學, 奇摩站 kimo !!!
http://dir.kimo.com.tw/Science/Natural_Secience/Chemistry/
- 化學, 搜狐
http://www.sohoo.com.cn/Science_Technology/Natural_science/Chemistry/
- 化學 , 中文雅虎
http://chinese.yahoo.com/Science/Chemistry/
- Chemistry, Cornell Theory Center Math and Science Gateway
http://www.tc.cornell.edu/Edu/MathSciGateway/chemistry.html
- ComputerEase Medicine and Chemistry Search Tools List
http://www.karinrex.com/medchemsearch.html
- Chemistry, from Galaxy
http://www.einet.net/galaxy/Science/Chemistry.html
- Cambridgesoft, internet chemistry software leader
http://www.camsoft.com/
- Imperial College Libraries, Chemistry Department Library, Internet Resources in
Chemistry
http://www.lib.ic.ac.uk/depts/chres.htm
- Chemistry, The Gateway to Information
http://www.lib.ohio-state.edu/gateway/bib/chemistry.html
- Directories and Lists of Chemistry Resources, Potsdam University
http://www.potsdam.edu/LinksPages/CHEMlinks.html
- Chemistry, Go Education
http://www.go.com/WebDir/Education/Fields_of_study/Science/Chemistry
- Chemistry, AltaVista
http://dir.altavista.com/Science/Chemistry.shtml
- Chemistry, Yahoo
http://dir.yahoo.com/Science/Chemistry/
- Chemistry, Netscape
http://search.netscape.com/Science/Chemistry
- Chemistry, Excite
http://www.excite.com/education/science_and_nature/chemistry/
- Chemistry, WebCrawler
http://www.webcrawler.com/education/science_and_nature/chemistry
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