21 Code of Federal Regulations
Current Good Manufactoring Practice in manufacturing, processing, packing, or holding of drugs.

European GMPs
For facilities serving the European markets, this site is helpful.

NIH Guidelines
For details on BL1-LS, etc. requirements, refer to this site for the detailed guidelines.

Hum-molgen
Search engine for biomedical companies

FreeCalc.com
This site contains interactive online engineering applications to assist you in designing, constructing, and maintaining your facility.

Access Excellence - Biotech Graphic Gallery
This site contains a series of labeled diagrams with explanations representing the important processes of biotechnology.