Online version of the long-time standard, with individual article updating. Background information on research and industrial aspects of topics interesting to both chemists and non-chemists.
O'Neill Library Reference No Loan QD148 .E53 2005 (10 vols.)
Arranged and named as an encyclopedia, with lengthy articles and extensive reference lists.
O'Neill Reference QD 4 .M33 1997 (4 vols.)
Alphabetical access to articles and key references on elements, chemical groups, concepts, phenomena, chemical laws, biographies of important chemists, etc.