OBS/1/2/2/2/20
Advertising: European sales operation
1972-1976
OBS/1/2/2/2/44
British Rail
1971-1986
OBS/1/2/2/2/57
Circulation 1977-79 - General correspondence
1977-1981
OBS/1/2/2/2/58
Circulation 1980-81 - General correspondence
1980-1981
OBS/1/2/2/2/59
Circulation 1982-83 - General correspondence
1982-1987