MathGuide - Directory of on-line mathematics, mainly research literature. At Göttingen, Germany.

Cenius - News, dictionary, notes, biographies of mathematicians, quotes, resources and links.

Math-Net Links - A large collection of mathematical and related links.

Mathematics WWW Virtual Library - Popular directory of math web sites. At Florida State University.

Math-Net : Internet Information Services for Mathematicians - Preprints, links, directories. Oriented towards German mathematics but in English.

Mathematics Information Servers - Popular directory of math web sites. At Penn State.

CSC Mathematical Topics - Resources for mathematical research and education at the Center for Scientific Computing in Finland. The emphasis is on numerical computing.

Mathematical Resources on the Internet - Maintained by Mathgate.

SciNet Mathematics - Math search engine and directory covering mathematical topics from algebra to statistics.

Maths and Statistics - Mailing lists maintained by MAILBASE, mainly UK-based educational/research level.

Mathematical Resources on the Web - Compiled at the University of Florida.

Academic Info: Mathematics - A Directory of Internet resources for undergraduate and graduate students. Part of an independent directory compiled by Mike Madin.

MathGate Homepage - An Internet Resource Catalogue for Mathematics. Searchable, or browse by subject or type.

Topica: Science/Mathematics - Mathematics-related e-mail lists.

Mathematics Resources on the Internet - Links by Bruno Kevius. General and by topic.

Platonic Realms Math Links Library - Annotated directory of mathematics sites on the Internet.

UniversalClass - Listings of authors, experts, jobs, links, questions, requests and scholarships in mathematics.

Start4all - Links to math sites. Biographies, publications, software, subject topics.

Mathematical Resources - A collection of links at CalTech.

Got Math? - Links to some favourite mathematics sites.

Mathematics Beyond Dartmouth - A collection of links organised by topic at the Kresge and Cook Libraries.

Mathlinks.info - A portal to mathematics resources on the internet, geared towards the university student.

Anancyweb - List of mathematical link compilations.

Mathematics - Subject Guide - Resources listed at New Mexico State University Library.

LLEK Bookmarks Scientific Search Engines - Mathematics - A comprehensive catalog of scientific resources and media worldwide but especially in German and English. Directories of journals; catalogs of search engines; additional starting points and sites of special interest.

mathematics@work - Beauty, Purity, Truth - A database of mathematics links.

Yahoo Groups in Mathematics - Mailing lists in Science/Math (including former OneList and eGroups).

PAMnet Resources in Mathematics - Compiled by the Special Libraries Association. Browse by topic.

UK Mirror Services Mathematics Pages - A collection of over 150 mirrors of FTP and Web sites of interest to academic mathematicians.

Online Resources for Mathematics - The Virtual Reference Desk for mathematics at the CERN Library (HEP Libraries Webzine, Issue 3, March 2001, Antonella De Robbio).

Internet Pointer Guide - A compilation of link collections.

BUBL Mathematics and Computing - Links arranged by topic at the British Library.

TechNavigators - Directory of links aimed at mathematicians and users of mathematics.

Edinburgh Engineering Virtual Library - A guide to engineering, mathematics and computing information on the internet.

MTHWWW: Mathematics Resources on the WWW - Covering most branches of mathematics and a good selection of general math resources. Compiled by M. Maheswaran, University of Wisconsin Marathon County.

Mathematics Sources - A list maintained at U Penn.

Specialized Fields - Mathematics Virtual Library pointers to particular fields.