| Natural History Museum Publishing: Produces a wide range of natural history books and bulletins. Full catalog with online shopping. | |
| Papers in Biomedical Sciences: Full text of original papers from the 19th century onwards that Donald Forsdyke deems critical to the understanding of some major problems in the biomedical sciences. | |
| Topix.net: Astronomy: News about astronomy, collected from various sources on the web. |
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