Design 1920s : German design and the Bauhaus 1925-32 / prepared for the course team by Tim Benton, Charlotte Benton and Aaron Sharf.- S.l.! : The Open university press, 1975.- 74 p., 16! c. di tav. : ill. ; 30 cm..- History of architecture and design 1890-1939 15/16

Expressionism / prepared by Tim Benton for the Course Team, with contributions from Charlotte Benton and Dennis Sharp.- S.l.! : The Open university press, 1975.- 78 p., 16! c. di tav. : ill. ; 30 cm..- History of architecture and design 1890-1939 9/10

Form and function : a source book for the history of architecture and design 1890-1939 / edited by Tim Benton, Charlotte Benton at The Open University with Dennis Sharp.- London : Lockwood Staples, 1975.- XXIII, 249 p. : ill. ; 25 cm.