The Johns Hopkins Guide to Literary Theory and Criticism
Compiled by 275 specialists from around the world, the Guide presents a comprehensive historical survey of the field's most important figures, schools, and movements and is updated annually. It includes more than 300 alphabetically arranged entries and subentries on critics and theorists, critical schools and movements, and the critical and theoretical innovations of specific countries and historical periods.
Library of Congress
Using the search bar in the upper right corner of their homepage, users can search for information on a vast array of American writers.
Poetry Foundation
Poetry Foundation provides biographical information on poets as well as full-texts of a selection of their poems.