Yearbook of Langland Studies - Features an annual bibliography, the current issue, and sample pages. - http://www.yls.cornell.edu/
Langland, William - A brief biography at infoplease.com. - http://www.infoplease.com/ce6/people/A0828809.html
William Langland (ca.1330-1387) - Includes a short biography, essays, and a link to the e-text of Piers Plowman. - http://www.luminarium.org/medlit/langland.htm