Kurt VanLehn, editor, "Architectures for Intelligence",
   Lawrence Erlbaum Associates, Hillsdale, NJ, 1991.

SOAR: 

   John E. Laird, Allen Newell, and Paul S. Rosenbloom, "SOAR: An
   Architecture for General Intelligence", Artificial
   Intelligence, 33(1):1-64, 1987. 

   Paul S. Rosenbloom, John E. Laird, and Allen Newell, editors, "The
   SOAR Papers", MIT Press, 1993. 1,510 pages in 2 volumes, 
   ISBN 0-262-68071-8 paper ($65).

PRODIGY: 

   Steven Minton, Jaime G. Carbonell, Craig A. Knoblock,
   Daniel R. Kuokka, Oren Etzioni, and Yolanda Gil. 
   "Explanation-based learning: A problem solving perspective".
   Technical Report CMU-CS-89-103, Carnegie Mellon University,
   School of Computer Science, Pittsburgh, PA, 1989.

THEO:

   Tom M. Mitchell, J. Allen, P. Chalasani, J. Cheng, Oren Etzioni,
   Marc Ringuette, and Jeffrey Schlimmer, "THEO: A Framework for
   Self-Improving Systems", in Kurt VanLehn, editor, Architectures for
   Intelligence, Lawrence Erlbaum Associates, Hillsdale, NJ, 1991.

Subsumption Architectures:

   Brooks, R., "A Robust Layered Control System for a Mobile Robot",
   IEEE Journal of Robotics and Automation, RA-2, pages 14-23, April 1986.