Early English books, 1475-1640 : [selected from Pollard and Redgrave's Short-title catalogue].
Pollard, Alfred W.(Alfred William),1859-1944.
Redgrave, G. R.(Gilbert Richard),1844-1941.
Ann Arbor : Xerox University Microfilms,
1938-
'Series of microfilms based on Pollard and Redgrave's Short title catalogue of books printed in England, Scotland and Ireland, and of English books printed abroad, 1475-1640' - introduction