| Springer Verlag maintains its own site, with information on all publications. |
| Amazon claims to be the largest bookstore in the world. At least they also have a fine collection on (the history of) mathematics --in ordering, credit card payment is obligatory. |
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| Publishing company ThiemeMeulenhoff offers information about their books and educational software at the Thieme site. |
| De Internet site maintained by Wolters-Noordhoff includes information about the educational material that is published by this company. |
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| Software company N.I.B. provides software for educational purposes. They present themselves and their work at their own homepage. |
| The homepage of the educational software company Visiria provides information about their software. |
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| The internetsite maintained by Proxis offers the opportunity of ordering books without a credit card. |
| Taylor and Francis have a site containing information on the publishing house and its (scientific) magazines; most notably: Annals of Science. |
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