• Ebookbrowse

http://ebookbrowse.com/

• 2dix.com

http://www.2dix.com/

• Findebookee

http://findebookee.com/

• The Online Books Page

http://onlinebooks.library.upenn.edu/webbin/book/browse?type=subject&c=c&key=biotechnology

• Questia    

http://www.questia.com/SM.qst?act=adv

• Project Gutenberg: Science Bookshelf

http://www.gutenberg.org/wiki/Category:Science_Bookshelf

Từ điển

• http://www.biobasics.gc.ca/english/view.asp?x=6 96
• http://www.biotechnologyonline.gov.au/topitems/glossary.html
• http://filebox.vt.edu/cals/cses/chagedor/glossary.html
• http://www.fao.org/DOCREP/003/X3910E/X3910E04.htm#TopOfPage

Bách khoa toàn thư

• http://www.encyclopedia.com/
• http://en.wikipedia.org/wiki/Main_Page
• http://www.britannica.com/