MacRAE'S BLUE BOOK   http://www.macraesbluebook.com/
Canadian Trade Index   http://www.ctidirectory.com/
APLAC Cookbook...   http://www.aplac.hut.fi/aplac/cookbook/main.html
Circuits Archive ... http://www.ee.washington.edu/circuit_archive/
Engineering Ethics ... http://ethics.tamu.edu/
Web Clearinghouse for Engineering and Computing Ethics ... http://www4.ncsu.edu/~jherkert/ethicind.html
Engineering Library, Carpenter Hall Cornell University ... http://www.englib.cornell.edu/
Bioingenieros ... http://www.bioingenieros.com
Thomasnet.com ... http://www.thomasnet.com/
CCOHS Canada's National Occupational Healt & Safety Resource ... http://www.ccohs.ca/products/databases/oshline.html