Who owns whom.
Dun & Bradstreet Corporation.
London : O.W. Roskill,
1958-1975.
"A directory of parent, associate and subsidiary companies in industry and commerce" (varies slightly).
Title varies: 19-1961, Who owns whom.
Beginning with the 1962 ed. information relating to Western Europe issued separately under title: Who owns whom. Continental edition.
Imprint varies.
Includes supplements.
Corporations
Holding companies
Who owns whom. United Kingdom and Republic of Ireland