- 1BBC Heritage Collection (BBC)
1966-1986, fonds - 2Technical Instruction: Stereophonic Broadcasting Manual (BBCT)
1968-1969, item - 3British Broadcasting Corporation Training Guide for Newly Appointed Technical Operators (BBCN)
c. 1960-1969, item - 4Location Control Room Operating Information (manual), published by the BBC (BBCO)
1961-1964, item