. . "John MacKay" . "John Sturgeon MacKay" . . "J. S. Mackay"@en . "MACKAY, J. S., Member of the Society of Marine Engineers and Ship Surveyors" . "J. S Mackay"@en-AU . . . . "J." . "J. S. MacKay" . "John Sturgeon MACKAY" . "J.S Mackay" . "J. S. MACKAY" . "MacKay" . "Mackay, J. S. (John Sturgeon)" . "http://www.wikidata.org/entity/Q6581097" . . "J. S. Mackay" . "John Sturgeon Mackay"@en . . . "John Sturgeon" . "1914-01-01" . . "Sturgeon"@en . "1843-01-01" . "Mackay"@en . "MACKAY" . "John"@en . . "John Sturgeon MacKay" . "J. S." . "J.S" . "S." . "John Sturgeon Mackay" . . "Member of the Society of Marine Engineers and Ship Surveyors J. S. MACKAY" .