. . "Oldroyd, D. (David)" . . "writer on education David Oldroyd" . "David R." . "R." . "Oldroyd" . . . . . . "Oldroyd"@en . "1936-01-20" . "Oldroyd"@fr-FR . "David Roger Oldroyd"@en . . "Oldroyd, D. R. (Oldroyd, David Roger)" . "Oldroyd, David Roger Naturphilosoph, Geologe, Australien, Grossbritannien" . . . "Oldroyd, David, writer on education" . "Oldroyd, D. R. (David Roger)" . . "David R. Oldroyd"@de-DE . "David Oldroyd"@pl-PL . "D. R. Oldroyd"@cs-CZ . "Roger"@en . "David Roger" . "2014-11-07" . . "Oldroyd, David., 1936-" . "D." . "David Roger" . "David Oldroyd" . "David"@en . "Oldroyd, David R. (David Roger)" . "Oldroyd David Roger Oldroyd" . "D Oldroyd"@en-AU . "D. Oldroyd" . "Oldroyd, David (David Roger)" . . . "1936- David Oldroyd" . "Naturphilosoph, Geologe, Australien, Grossbritannien David Roger Oldroyd" . . . "David Roger Oldroyd" . "Oldroyd" . "David R. Oldroyd" . "D. Oldroyd" . .