October 19, 2026
How the Oxford English Dictionary Reconstructs a Word’s History
The OED is more than a storehouse of definitions. Its dated quotations help show how a word’s spelling, meaning and…
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October 19, 2026
A DOI Is Not a Web Address: How Digital Object Identifiers Help You Find Sources
A DOI can lead to a paper, dataset or report even when its web address changes. Here’s what the identifier…
October 19, 2026
How to Read a Library of Congress Call Number: A Shelf-Finding Guide
A call number is more than a book’s address. Learn what its parts can tell you, how to follow it…
October 17, 2026
GNIS: The U.S. Place-Name Directory Behind the Map
The Geographic Names Information System helps users identify and compare names for places and features across the United States. Its…