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  1.  11
    A Handbook of Medical Library Practice. Janet Doe.Claudius F. Mayer - 1944 - Isis 35 (1):48-51.
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  2.  9
    Notes and Correspondence.Claudius F. Mayer, G. Sarton & E. J. Dijksterhuis - 1949 - Isis 40 (2):119-122.
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