Bartlett's Familiar Quotations: William Cowper: (at Bartleby Library)
The William Cowper Page: San Antonio College LitWeb site.
William Cowper: Brief biography and links at the Academy of American Poets.
William Cowper Bibliography: Selected bibliography of books and journals concerning Cowper and his works.
William Cowper Collection: Listing of holdings in the Cowper Collection at Princeton University Library. Includes published works and some personal papers and documents.
William Cowper Cryptograms: Each puzzle is a quotation from Cowper's poetry, using a simple letter substitution code.