Other
Critical Concepts: Dramatic Monologue
This site has a discussion of dramatic monologue form. Includes a poem as an example, Hardy's "The Man He Killed."
Other
Rules Online: Privileged Motions
Defines the term and lists the various kinds of privileged motions. Also includes links to more information on the specific kinds of privileged motions.
University of Victoria (Canada)
The U Vic Writer's Guide: Literary Term: Dramatic Monologue
This site provides a short definition of the term, dramatic monologue, along with a short example. Also contains a few links to related terms.