Reference Universe

1975-2019

Reference Universe is a database providing researchers with comprehensive scholarly, authoritative introductions using your library's own specialized reference collection.

Data: 35 million citations.

19th Century Masterfile

1106-1930

19th Century Masterfile is a database offering researchers primary source analysis in Humanities, Engineering, History of Science, Legal Studies, the Arts, and more.

Data: 27 million citations.

U.S. Documents Masterfile

1774-2019

U.S. Documents Masterfile is a resource for the study of United States documents, publications, and federally-funded research reports from 1774 to the present day.

Data: 15 million citations.


“A Want of Dignity Wholly Unworthy of the Government”: James Smithson, the Annual Report, and the Question: “Should the Federal Government Participate in Scientific Investigation?”

“A Want of Dignity Wholly Unworthy of the Government”: James Smithson, the Annual Report, and the Question: “Should the Federal Government Participate in Scientific Investigation?”

The Smithsonian Institution in Washington, DC recently named Lonnie G. Bunch III as its fourteenth Secretary, the first African American to hold the position. In celebration of this occasion, (read more)

“The Entire Collection Could Have Been Held by a Four-Shelf Bookcase”: Dr. John Shaw Billings and the Surgeon General Office’s Library

“The Entire Collection Could Have Been Held by a Four-Shelf Bookcase”: Dr. John Shaw Billings and the Surgeon General Office’s Library

We recently augmented 19th Century Masterfile with data from the Index-Catalogue of the Library of the Surgeon-General’s Office. This index—and the library that spawned it—were (read more)

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