@book{86563,
	author = {Powicke, Frederick Maurice, and Fryde, E. B. and Royal Historical Society (Great Britain)},
	title = {Handbook of British chronology /},
	publisher = {Royal Historical Society, },
	year = {1961.},
	series = {Royal Historical Society.    Guides and handbooks,},
	address = {London : },
	edition = {2d ed.}
}