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Books about Ehninger:
Ehninger: Webster's Timeline History, 1850 - 2007 by Icon Group International (Mar 10, 2010)
An Instructor's Guide to Using Principles and Types of Speech Communication. Ehninger/Gronbeck/Mc... by Kathleen German (1986)
Instructor's Manual to accompany Principles and Types of Speech Communication. 12th Edition. By Gronbeck/McKerrow... by Kathleen German (1994)
Douglas Ehninger: modernist rhetorician and master of rules.(Biography): An article from: Communication Studies... by Bruce E. Gronbeck (Jul 31, 2005)
Instructor's guide to using Principles of speech communication [by Ehninger, Gronbeck and Monroe] by Kathleen M German (1988)
Principles of Speech (5th Edition) by Monroe and Ehninger (1964)
Explorations in rhetoric: Studies in honor of Douglas Ehninger by Ray E. McKerrow (1982)
Wiki information Ehninger:
John Whetten Ehninger was a United States painter and etcher.