Online Reference 

Many reference sources are in the eBook collections to which Temple University Libraries subscribes. Below are links to specific publishers and a description of the types of material you are likely to find there. 

You may search for individual titles using the Diamond catalog, below, or refer to a Subject Guide for specific ebook recommendations by subject specialists.

ABC-CLIO eBooks	ebooks published by ABC-CLIO
AccessMedicine (browse titles in Diamond Catalog)	library of medical ebooks including Harrison's Online and the LANGE Educational Library
AccessScience	latest editions of the McGraw-Hill Encyclopedia of Science & Technology and the McGraw-Hill Dictionary of Scientific & Technical Terms
ACLS History eBook Project  (browse titles in Diamond Catalog)	hundreds of history ebooks from a variety of publishers
ASM Handbooks Online	materials handbooks from ASM International
Blackwell Reference Online (see new titles)	over 80 reference titles in philosophy & religion from Blackwell Publishers
Books24x7 (browse titles in Diamond Catalog)	thousands of books related to information technology from top publishers
Cambridge Companions Online (browse titles in Diamond Catalog)	Over 2,000 essays from 200+ authoritative guides in Cambridge Univesity Press' Companions series. Covers literature, philosophy, religion, classics and cultural studies.
CQ Press Political Reference Suite	online editions of prestigious political reference titles from CQ Press
CRC NetBASES --CHEMnetBASE --ENGnetBASE    (browse titles in Diamond Catalog | see new titles) --ENVIROnetBASE    (browse titles in Diamond Catalog | see new titles) --MATERIALSnetBASE    (browse titles in Diamond Catalog | see new titles)	hundreds of scientific/technical books from Taylor & Francis imprints
Credo Reference (formerly xrerferplus) (browse titles in Diamond Catalog | see new titles)	over 100 reference works
Early American Imprints Series I: Evans (1639-1800) Series II: Shaw-Shoemaker (1801-1819)	many thousands of books and pamphlets printed in America between 1639 and 1819
Early English Books Online	tens of thousands of printed works from 1473-1700
Eighteenth Century Collections Online (ECCO)	approximately 150,000 works printed in the United Kingdom and America during the 18th century
Gale Virtual Reference Library (browse all titles in Diamond Catalog | see new titles)	library of reference books from various publishers
Google Book Search	growing collection of the full-text of out of copyright books as well as snippets from more recent titles
Idea Group Reference Online (see new titles)	Information science and technology reference titles from Idea Group Publishing
Knovel Library (browse titles in Diamond Catalog)	over 900 titles in the engineering fields
MIT CogNet (browse titles in Diamond Catalog)	over 400 titles from MIT Press in the cognitive sciences
NetLibrary (browse titles in Diamond Catalog)	thousands of ebooks from a variety of publishers
Online Books Page	listing of over 25,000 free books on the web
Oxford Reference Online (browse titles in Diamond Catalog | see new titles)	over 100 reference works from Oxford University Press
Past Masters	scholarly editions of key works of philosophy
R2 Library	over 100 texts in medicine, nursing, and allied health
Safari Tech Books Online (browse titles in Diamond Catalog)	over 800 information technology books from leading publishers
Sage eReference (see new titles)	over 40 recent major reference works in the social sciences from Sage Publications
SourceOECD	books published by the OECD
Springer Book Series --Advances in Polymer Science --Lecture Notes in Computer Science --Lecture Notes in Mathematics --Progress in Colloid and Polymer Science --Springer Tracts in Modern Physics --Structure and Bonding --Topics in Applied Physics --Topics in Current Chemistry	various book series in the sciences published by Springer
STAT!Ref	100+ healthcare reference titles from various publishers
xreferplus (now called Credo Reference) (browse titles in Diamond Catalog | see new titles)	over 100 reference works