General

http://ln.infoplease.com/almanacs.html?link=hptab

http://www.lib.ndsu.nodak.edu/webpals.html

http://www.academicinfo.net/index.html

http://looksmart.altavista.com/cgi-bin/query?pg=dir&tp=Library/Reference/Dictionaries&crid=53740

http://www.asu.edu/lib/noble/scirefrm/ - alpha

http://uk.cambridge.org/elt/reference/

http://titania.cobuild.collins.co.uk/

http://www.peevish.co.uk/slang/index.htm

http://ukstore.dk.com/shop/interest/default.asp?subject=14

http://www.eb.com/

http://ea.grolier.com/

http://www.refdesk.com/index.html

http://foldoc.doc.ic.ac.uk/foldoc/index.html

http://www.galaxy.com/galaxy/Reference?id=54100

http://www.macmillan-reference.co.uk/

http://merlin.missouri.edu/

http://www.m-w.com/

http://www.eurekalert.org/resources/definitions.html - Top

http://www.arts.cuhk.edu.hk/Ref.html

http://www.itools.com/lang/

http://www.refdesk.com/factsci.html - top

http://www.notam.uio.no/~hcholm/altlang/

http://www.lib.purdue.edu/vlibrary/

http://www.yourdictionary.com/index.shtml

http://www.ipl.org/ref/

http://www.uk.lycos.de/dir/UK_Information_and_Services/

http://www.dk.com/flash.html

http://www.osstf.on.ca/www/links/edusort.html

http://thorplus.lib.purdue.edu/reference/dict.html

http://www.vlib.org/