Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'Pledge, Humprey Thomas', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    Science since 1500 a short history of mathematics, physics, chemistry, biology gan Pledge, Humprey Thomas

    Cyhoeddwyd 1966
    Llyfr

    Science since 1500 a short history of mathematics, physics, chemistry, biology
  2. 2

    Science since 1500 a short history of mathematics, physics, chemistry, biology gan Pledge, Humprey Thomas 1903-1960

    Cyhoeddwyd 1947
    Llyfr

    Science since 1500 a short history of mathematics, physics, chemistry, biology

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