Nobel Prize for Literature 1930 - Presentation Speech
- By Erik Axel Karlfeldt of the Swedish Academy.
- http://nobelprize.org/literature/laureates/1930/press.html

Autobiography of Sinclair Lewis
- Written for acceptance of Nobel Prize in Literature 1930.
- http://nobelprize.org/literature/laureates/1930/lewis-autobio.html

The American Fear of Literature
- Sinclair Lewis' Nobel Lecture, December 12, 1930.
- http://nobelprize.org/literature/laureates/1930/lewis-lecture.html

The Sinclair Lewis Homepage
- Includes biographical and bibliographical information, a literary-biographical timeline, a quiz, information on film adaptations, a few of Lewis's favorite recipes, information on the Sinclair Lewis Newsletter, and links to further resources.
- http://www.english.ilstu.edu/separry/sinclairlewis/