Cosmobrain's Astrolinks is a complete guide for Astronomy on the web. Only selected links.

Links, articles and papers sorted in astronomy, space flight and SETI@home.

Links to astronomy sites and pictures. In English, Spanish and Portuguese.

Links to hundreds of astronomy sites.

Over 500 astronomy and space related links, updated frequently. Submit your own link.

Online directory of astronomy and cosmology websites.

Helpful index of links relating to many different aspects of Astronomy.

Web portal with extensive collection of internet links on astronomy and space topics.

A catalog of scientific resources and media worldwide but especially in German and English: Directories of Astronomy Journals; Astronomy-related catalogs of scientific search engines; additional starting points and sites of special interest.

Images and links to astronomical sites.

Astronomy links, lists and newsgroups.

The Snark Hunter's Page is a meta-list of mainly academic resources organized on the theme of necessity vs. contingency in the study of time and evolution.

The most complete and current internet telephone book for Switzerland (and Liechtenstein), complete with all address entries for private individuals and companies

Google's human-edited directory, organizing the web into topics and categories. A joint effort of Google and the Open Directory Project.

AT&T's AnyWho is a guide to residential, business, and government directory listings, including phone numbers and addresses.