R & D Books
Lawrence, Kan

R & D Clearing House

R & D Press
Los Altos, Calif

R & D Publications
Lawrence, Kansas

R & D Services
Des Moines, Iowa

R D a Publishing Group

R D Press
Sydney

R Dean Tribble

R Drew Pub

R&D
Lawrence, Kan

R&D Associates Press

R&D Books
Lawrence, Kan

R&D Laboratories

R&D Publications
Lawrence, Kan

R&D Technical Books
Lawrence, Kansas

R. & D. Publications
New York, N.Y

R. D'Aprano
Melbourne [Vic.]

R. D. Cortina
New York

R. D. Cortina Co
New York, N.Y

R. D. Irwin
Homewood, Ill