Chemical Information Sources/SIRCh/Deep Background Reading

SIRCh: Selected Internet Resources for Chemistry

Online Public Access Catalogs (OPACs) of Libraries with Major Chemistry Collections

 * Library of Congress
 * Royal Society of Chemistry Library and Information Centre
 * Harvard Chemistry and Chemical Biology Library
 * Yale University Library
 * University of California, Berkeley

Multisource
Credo Reference (formerly, Xrefer, the Web's reference engine) contains encyclopedias, dictionaries, thesauri & books of quotations from the world's leading publishers, providing a single source for factual information. Sources include Oxford University Press's A Dictionary of Biology, A Dictionary of Science, A Dictionary of Scientists, and The New Penguin Dictionary of Science

Dictionaries

 * IUPAC Compendium on Chemical Terminology (the Gold Book)
 * OneLook Dictionary Search
 * Hypertext Webster
 * IUPAC Glossary of Terms Used in Medicinal Chemistry
 * Chemical Acronyms and Abbreviations Database at Indiana University
 * Medicinal Chemistry Glossary

Encyclopedias

 * Wikipedia – The Free Encyclopedia
 * Britannica Online
 * Encyclopedia of Analytical Instrumentation
 * Citizendium, The Citizens' Compendium

Publishers' Catalogs

 * ACS (American Chemical Society) Publications
 * RSC (Royal Society of Chemistry) Online Book Shop

Textbooks

 * Chemical Education Resource Shelf (formerly, Chemistry Textbooks in Print Archive at the University of Missouri, St. Louis)
 * Chemistry Book Lists and Guides to Serials

Monographs and Textbooks

 * Amazon.com, Inc.
 * Powell's Books
 * Alibris -- Out-of-print and rare books
 * Library4Science Free online chromatography books.