Helen Rex Keller

Helen Rex Keller (August 13, 1876 – January 21, 1967) was an American librarian and author of reference books.^[1][2] Her works included a two volume dictionary of dates.^[3]

Keller edited and wrote the preface for the Library of the World's Best Literature, a 30-volume reference work with synopses of works of literature.^[4] It was a continuation and expanded version of the Warner Library first published in 1897 with various editions up to 1917 edited by Charles Dudley Warner. She also authored a Dictionary of Dates divided into two volumes for the "old world" and "new world",^[5][6] and also authored the Readers's Digest of Books which provides summaries of about 1,500 books.^[1][7]

Keller taught classes in library economy at Columbia University^[8] and was the librarian for its journalism school.

She died in New Paltz, New York, in 1967.^[1]

• The dictionary of dates (1934) by Helen Rex Keller, Macmillan Company, New York^[9]
• Library of the World's Best Literature, editor

• The Reader's Digest of Books (1924 edition) (archive.org)
• A Dictionary of Dates (Volume II – The New World (1923, Third Printing 1958) (archive.org)