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library science
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Dancers at a Cinco de Mayo festival at the Mission District, San Francisco, California. (Photo dated 2019.) holidays
Is Cinco de Mayo Mexico's Independence Day?
Cathedrale St.Jean in Lyon, France has a 14th-century astronomical clock that shows religious feast days till the year 2019; Perpetual Calendar
Ten Days That Vanished: The Switch to the Gregorian Calendar
King Cobra snake in Malaysia. (reptile)
9 of the World’s Deadliest Snakes
Ethel Rosenberg arrested in August 1950. Photograph dated Aug. 8, 1950. American civilians executed for espionage. Spies, communists, Julius Rosenberg
Spies Like Us: 10 Famous Names in the Espionage Game
Drinking water is poured into a glass.
Water Fluoridation: Just the Facts
Berries and leaves of the bittersweet nightshade (Solanum dulcamara) plant. Poisonous plant
7 of the World’s Deadliest Plants
Internet http://www blue screen. Hompepage blog 2009, history and society, media news television, crowd opinion protest, In the News 2009, breaking news
Who Invented the Internet?

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Key People

A pioneering librarian
Belle da Costa Greene
American librarian and bibliographer
Carla Hayden
Carla Hayden
American librarian
Augusta Braxton Baker
American librarian and storyteller
Mary Salome Cutler Fairchild
American librarian and educator
Mary Elizabeth Wood
American librarian and missionary
S.R. Ranganathan
Indian librarian
Ruth Winifred Brown
American librarian and activist
Naudé, Gabriel
Gabriel Naudé
French librarian
Melvil Dewey
Melvil Dewey
American librarian
Putnam, Herbert
Herbert Putnam
American librarian