. "Winifred"@en . . "Kerschbaum, Winifred F. (Winifred Frost)" . "Frost"@en . . "Winifred F. Kerschbaum"@en . "Kerschbaum"@en . . . "Winifred Frost" . "Winifred Frost Kerschbaum" . "Winifred Frost Kerschbaum"@en . . . .