Downes, Kerry. Sir Christopher Wren; design of St. Paul's cathedral. - London : Trefoil Publications in association with the Guildhall Library, 1988 ;c1987. - 192 p. : ill. 1990 reprint. ISBN: 0862940915 LCCN: 91016029 Subjects--Personal Names: Wren, Sir Christopher, 1632-1723. Subjects--Geographic Terms: London (England)--Buildings, structures, etc.