Elwyn is intended as a corrective response to the excessive identification of Americanisms, but in fact represents what one might term the 'traditionalist' position. Fallows is significant as a treatment of Americanisms and Briticisms for a general audience. Norton is a specific application to American political life.
Volume 2: Glossaries of Americanisms, Introduction, 1. Alfred L. Elwyn: Glossary of Supposed Americanisms, 2. Samuel Fallows: Hand Book of Briticisms, Americanisms, Colloquial and Provincial Words and Phrases, 3. Charles Ledyard Norton: Political Americanisms: A Glossary of Terms and Phrases Current at Different Periods in American Politics