| unimelb.edu.au | Bright Sparcs |
| gmu.edu | Echo Science and Technology Virtual Center |
| mit.edu | Dibner Institute |
| psu.edu | Events in Science, Mathematics and Technology |
| rice.edu | Catalog of the Scientific Community in the 16th and 17th Centuries |
| uni-muenchen.de | Jordanus |
| tripod.com | Philosophy, Science and Technology in India |
| human-nature.com | A History of the Warfare of Science with Theology in Christendom |
| mac.com | Scientific Societies in the Second Golden Age of Dutch Science, 1850-1914 |
| earthlink.net | History of Science in the United States |
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