BBC - Birmingham - Features - The amazing number 11 bus
News - Local News: Kings Heath, Birmingham (B14)
West Midlands bus route 11 - Wikipedia
The No 11 outer circle bus route calender - Birmingham Live
AYearOfBuses 11: Birmingham Outer Circle - Transport Designed | Creativity to move people
Booklet, Outer Circle Omnibus Service No.11, 1925-1939 Omnibus Guide & Route Plan, Birmingham Tramways and Omnibus Dept, Front cover of 48-Page booklet, containing descriptions and images of number 11 Outer Circle bus
Legendary number 11 bus route to split in two in Birmingham after 95 years - Birmingham Live
Birmingham Corporation bus history | Page 2 | Birmingham History Forum
Moving pictures on Birmingham's No.11 bus route - Business Live
Iconic Number 11 bus route takes a trip down memory lane - Birmingham Live