Associated Equipment Company
"Regent" Omnibus Chassis at Charing Cross / The Regent Omnibus 
Manufacturer's 1929 booklet describing the Regent models launched in that year. Photographs throughout.
Volumes One & Two
Very fine history of the Routemaster, illustrated with photographs throughout, including colour. Published in two parts:
Volume One: 1954 - 1969;
Volume Two: 1970 - 1989.