- 1Muzak System Archive (MS/2169)
1959 - 1961, fonds - 2Booklet entitled 'The First Year' (MS/2169/01)
1960, item - 3Brochure entitled 'Music by Muzak' (MS/2169/03)
1960, item - 4Leaflet entitled 'Muzak in Healing' (MS/2169/06)
1959 - 1961, item - 5Leaflet entitled 'It's music by Muzak that makes the difference' (MS/2169/07)
1959 - 1961, item - 6Minutes of a meeting between representatives of the General Post Office and Planned Music Ltd (MS/2169/08)
1st May 1961, item - 7Report entitled 'Muzak Network Policy' (MS/2169/09)
April 1961, item - 8Publicity material entitled 'Muzak - The Modern Office Technique' (MS/2169/10)
1959 - 1961, item