Sources S. T. Gibson, "The Escheatries, 1327–1341", English Historical Review, 36(1921). John Bean, The Decline of English Feudalism, 1215–1540, 1968.
Sources S. T. Gibson, "The Escheatries, 1327!–1341", English Historical Review, 36(1921). John Bean, The Decline of English Feudalism, 1215–1540, 1968.