American Dialect Society:The American Dialect Society is a scholarly association dedicated to the study of the English language in North America.
English Dialectology: The online components of a course on U.S. English dialectology.
Heptune's Guide to Cheesy American English Usage: Collection of entertaining examples of contemporary American English colloquial usage.
Lexicon of Bawlamarese: A collection of alternative pronunciations and local jargon from Baltimore, Maryland.
North American Dialect Links: Includes American, Canadian, Native American and Bermudan.
Organization of Dialect Diversity in North America: Full text of the paper by William Labov. Sociolinguistic research on linguistic change in urbanized areas of North America, leading to increased dialect diversity.
Pittsburghese.com: A guide to pronunciation, phrases, and local terminology if Pittsburgh and western Pennsylvania. Audio quiz and 'translator' available.
Pop vs. Soda Page: Plots the geographic distribution of the terms "pop", "soda", and "coke" when used to describe sweetened carbonated beverages.
Student Papers on American English: From the Department of Translation Studies, University of Tampere, Finland. Topics: Differences Between American and British English; 'Black English' (AAVE, or 'Ebonics'); Yiddish and Ethnic-Jewish Influences; Historical and Loan Word Influence; Regional and Social Variation; Slang; General Topics.
The Dialect Survey: A survey intended for speakers of North American English detailing different pronunciations and interpretations of various English words plus maps of responses.
The Pop vs. Soda Page: Page plots the geographic distribution of the different terms used to refer to carbonated soft-drinks in the United States. Requests your participation in the survey.
The Wicked Good Guide to Boston English: Covers the pronunciation, vocabulary, grammar, and place names typical of Bostonian English.