"Manchester Public Libraries (Manchester, England). Commercial Library & Information Department." . . . . "Manchester Public Libraries (Greater Manchester). Commercial Library." . . . . . . . "Commercial information: A guide to the Commercial Library" . "Bibliography"@en . "Commercial information: a guide to the commercial library"@en . . . . "Commercial information : a guide to the Commercial Library" . "Commercial information : a guide to the Commercial Library"@en . . "Commercial information: a guide to the Commercial Library" . "Commercial information a guide to the Commercial Library"@en . . . . . . . . . . . . . . . "Manchester Public Libraries. Commercial Library & Information Department." . .