Dangos 1 - 4 canlyniadau o 4 ar gyfer chwilio 'Oldroyd, Harold', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    Elements of entomology: an introduction to the study of insects. gan Oldroyd, Harold

    Cyhoeddwyd 1970
    Llyfr

    Elements of entomology: an introduction to the study of insects.
  2. 2

    Elements of entomology. gan Oldroyd, Harold

    Cyhoeddwyd 1968
    Llyfr

    Elements of entomology.
  3. 3

    The natural history of flies. gan Oldroyd, Harold

    Cyhoeddwyd 1964
    Llyfr

    The natural history of flies.
  4. 4

    Collecting, preserving and studying insects. gan Oldroyd, Harold

    Cyhoeddwyd 1958
    Llyfr

    Collecting, preserving and studying insects.

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