Biography of Northrop Frye
http://www.thecanadianencyclopedia.ca/en/article/northrop-frye/
This is the entry for Northrop Frye in The Canadian Encyclopedia.
The New Criticism
https://www.poetryfoundation.org/learn/glossary-terms/new-criticism
This entry on "New Criticism" at the Poetry Foundation provides a brief introduction to the dominant strand in literary criticism at the time Northrop Frye wrote Anatomy of Criticism.
Northrop Frye Center
http://www.vic.utoronto.ca/academics/Research_Centres/fryecentre.htm
This is the homepage of the Northrop Frye Center named after the critic at Victoria College, where Frye taught for most of his life.