» Dialectology
Includes a wealth of general information on dialectology, as well as papers, presentations, links, and information on Dutch dialects.
http://odur.let.rug.nl/~heeringa/dialectology/
» Dialectology and Sociolinguistics
Class notes for a general dialectology course.
http://ccat.sas.upenn.edu/~haroldfs/messeas/handouts/dialect/node1.html
» Sociolinguistics
Informational page on sociolinguistics with a very large section on dialects.
http://www.unc.edu/~gerfen/Ling30Sp2002/sociolinguistics.html