Other
Massurrealism Gallery
An interesting gallery and description of Massurrealism and artwork that is part of the movement.
Marilyn J. Brackney
Imagination Factory: Crayon Etching
An in-depth description of how to do crayon etchings, this website includes many helpful hints and background information on etching.
Other
Biddington's: Pop Art
Includes a definition of Pop Art, artists who contributed to the movement, and where they did so.