Douglas Ehninger

Principles of speech communication

Principles and types of speech communication

Elements Of Rhetoric Comprising An Analysis Of The Laws Of Moral Evidence And Of Persuasion With Rules For Argumentative Composition And Elocution

Principles of public speaking

Contemporary rhetoric

Decision by debate

Influence, belief, and argument

Principles and types of public speaking

The speaker's resource book

Explorations in rhetoric

Principles of Public Speaking, Books a la Carte Edition

Contemporary rhetoric: a reader's coursebook