Philosophy of Economics Encyclopedia article  
   on-line article by Dan Hausman
   http://philosophy.wisc.edu/hausman/papers/enc-617.htm

The Principles of Political Economy  
   The Principles of Political Economy by J.S. Mill
   http://www.socsci.mcmaster.ca/~econ/ugcm/3ll3/mill/prin/

Could There Be a Science of Economics?  
   on-line article by John Dupre
   http://cogprints.soton.ac.uk/documents/disk0/00/00/03/47/cog00000347-00/ECONOMI.htm

Evolutionary Economics and the Counterfactual Threat  
   on-line article by Robin Cowan and Dominique Foray
   http://www.cgl.uwaterloo.ca/~racowan/counter.html

Genetic Causation and Economic Theory  
   on-line article by Robin Cowan and Mario J. Rizzo
   http://www.cgl.uwaterloo.ca/~racowan/cause.html

History of Economic Thought Archive  
   Includes both primary texts, studies of those texts and of their authors
   http://socserv.mcmaster.ca/econ/ugcm/3ll3/