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Routledge Dictionary of Modern American Slang and Unconventional English
PE3721 .P323 2009
Dictionary of American Slang
PE2846 .D457 2007
Random House Historical Dictionary of American Slang
PE 2846 .H57 1994
Hatchet Jobs and Hardball: The Oxford Dictionary of American Political Slang
PE3727.P6 H38 2004
Dictionary of American English on Historical Principles - PE2835 .C72
DAE contains words originating in the US, used mostly in the US, or having a connection with the development of the country & history of its people. Slang & dialect terms are limited to early or prominent examples. Cutoff date for new words is the end of the 19th century.
Dictionary of Americanisms on Historical Principles - PE2835 .D5
DA contains words originating in the US, words with a particular American meaning or foreign terms adopted into American English through 1950.
Webster's Third New International Dictionary of the English Language Unabridged - PE1625 .W36 1986
Webster's Third is a dictionary "of the current vocabulary of standard written and spoken English," especially in the US. Some 450,000 words include variant spellings, pronunciation, part of speech, etymology, etc.
Cambridge Dictionary of American English
PE1628 .C22 2008
MLA Language Map of USA
MLA Language Map
View an interactive map showing the percentages or numbers of speakers of the selected language. Select a state or click the map to zoom in on a region. Add or remove layers: county and city names, rivers and lakes, and Indian reservations. Select Prevalent Language Other Than English maps to see the most spoken language in each county.