Goldstein -- Piers Plowman
Essay concerning the disavowal of Jewish identification in Langland's work.
Langland, William
A brief biography at infoplease.com.
Meed, Mercede, and Mercy - Langland's Gramma
Essay from Medieval Perspectives. Includes notes and works cited.
Piers Plowman and the Sublime
Essay by Murray J. Evans.
Piers's Good Will - Langland's Politics
Essay by Michael Drout in Essays in Medieval Studies.
Theoretical Knowledge and Poetic Experience
Discussion of imagination in Langland's Piers Plowman by J. Robert Duncan.
William Langland (ca.1330-1387)
Includes a short biography, essays, and a link to the e-text of Piers Plowman.
Yearbook of Langland Studies
Features an annual bibliography, the current issue, and sample pages.