. . "Winifred M. Hackett" . . "W."@en . "W.Mary Hackett" . . "Winifred" . "Winifred Mary Hackett"@nl-NL . "1908" . "HACKETT" . "W.Mary" . . "Hackett"@en . "M." . . "Mary"@en . . "Hackett"@fr-FR . . "W. Mary Hackett"@en . . . "Winifred Mary HACKETT" . . "1987" .