- The Concise Oxford Dictionary of Mathematics This link opens in a new window2005 reference work by Clapham and Nicholson.
- Dictionary of Weights, Measures, and Units This link opens in a new window2002 reference work by Fenna
- Encyclopedia of Actuarial Science This link opens in a new windowAn online reference work from 2004 by Teugels and Sundt with over 450 full text articles
- Encyclopedia of Biostatistics This link opens in a new windowExpanded and enhanced coverage of key topics including bioinformatics, clinical trials, computation, genetics, and Bayesian methods and applications. Containing over 1300 articles, 182 entirely new to this edition, with more than 300 revised and updated to reflect current research and developments. All encompassed in 8 extensively cross-referenced volumes
- Encyclopedia of Mathematical Physics This link opens in a new windowThe Encyclopedia of Mathematical Physics provides a complete resource for researchers, students and lecturers with an interest in mathematical physics. Access full text articles in this online reference work by Françoise from 2006.
- Encyclopedia of Mathematics This link opens in a new windowAccess full text articles from this 2001 key reference work in maths by Hazewinkel, now released as an open access wiki.
- Encyclopedia of Measurement and Statistics This link opens in a new windowOver 400 full text articles are available in this 2007 reference work by Salkind.
- Encyclopedia of Optimization This link opens in a new windowAccess over 700 full text articles in this 2009 reference work by Floudas.
- Encyclopedia of Physical Science and Technology This link opens in a new windowCovers chemistry, mathematics, engineering, aeronautics, astronomy, computers, earth sciences, electronics, materials science, nuclear technology, physics and biotechnology
- Encyclopedia of Statistical Sciences This link opens in a new windowAccess full text articles on statistics from this 2005 reference work by Kotz
- Free Book Centre - Mathematics This link opens in a new windowA catalogue of freely available ebooks.
- Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables This link opens in a new window1972 reference work by Abramowitz
- The Oxford Companion to the History of Modern Science This link opens in a new window2003 reference work by Heilbron
- Planet Math This link opens in a new windowA virtual community providing an encyclopaedia, papers, books and expositions.
- Smithsonian Physical Tables This link opens in a new windowA full-text searchable electronic version of this classic reference source which comprises 901 tables of general interest to scientists and engineers.
- Wolfram Research This link opens in a new windowIncludes an Online mathematics encyclopedia - Mathworld, plus a collection of functions.