Columbia subject headings:
Caxton, William, approximately 1422-1491 or 1492.
Harvard subject headings:
Caxton, William, approximately 1422-1491 or 1492.
Incunabula--England--London--Bibliography.
Printers--Great Britain--Biography
Printing--England--London--History--Origin and antecedents
Westminster (London, England)--Imprints.
Princeton subject headings:
Caxton, William, approximately 1422-1491 or 1492.