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Over 15 million authoritative citations to more than
12,000 specialized print and electronic encyclopedias — data available
in no other database, anywhere. "A godsend for reference
librarians."
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Over 10 million citations now online. Detailed access
to 19th-century books, periodicals, patents, newspapers,
and government documents available through a single
search. From Poole's Index to
the Catalogue
of Scientific Papers; from the Papers of the Presidents to
the ALA
Portrait Index, 19th Century Masterfile is the most comprehensive
resource for history now online.
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A new comprehensive electronic guide, with over 4 million
citations to federal, state, local and international
public documents spanning over 200 years, in a single
searchable database.
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Book News Online is updated monthly, providing libraries with timely news of high-level books in science, technology, reference and humanities research.
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