Sowerby, Leo (1895 - 1968), United States
- Biographical data, recommended CDs, books and sheet music, bibliography, and link to biographical essay from Dr. Estrella's Incredibly Abridged Dictionary of Composers.
- http://stevenestrella.com/composers/composerfiles/sowerby1968.html

Sowerby, Leo
- Biography, pronunciation guide, and major works from the Columbia Encyclopedia, Sixth Edition, 2001.
- http://www.bartleby.com/65/so/Sowerby.html

Leo Sowerby at 100
- Biography and retrospective upon the occasion of his one hundredth birthday with emphasis on his organ and choir works.
- http://www.albany.edu/piporg-l/Sowerby.html

Leo Sowerby
- Life, noted teachers, and major honors with links from the Classical Composers Database.
- http://utopia.knoware.nl/~jsmeets/cgi-bin/ccd.cgi?comp=sowerby