The Math Forum Internet Mathematics Library - Database sorted by topic, type of media, and age level. MathGuide - Directory of on-line mathematics, mainly research literature. At Göttingen, Germany. 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. Platonic Realms Math Links Library - Annotated directory of mathematics sites on the Internet. Mathematics Resources on the Internet - Links by Bruno Kevius. General and by topic. Mathematics WWW Virtual Library - Directory of mathematical web sites, maintained at Florida State University. The Permutation Homepage - A ring of mathematical web pages. Russian Mathematical Database - Directory of Russian mathematical organizations, departments and mathematicians; publications; library catalogues; journals; projects. Mathematics Archives - Combined archive and directory of math web sites, mailing lists, and teaching materials. Located at University of Tennessee. Mathematics on the Web - Compiled by the staff of Mathematics Reviews. JISCmail - Maths and Statistics mailing lists maintained by JISC, mainly UK-based educational/research level. UniversalClass - Listings of authors, experts, jobs, links, questions, requests and scholarships in mathematics.