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    The development of punch card tabulation in the Bureau of the Census, 1890-1940, with outlines of actual tabulation programs/ Leon Edgar Truesdell. by Truesdell, Leon Edgar 1880-

    Published 1965
    Book

    The development of punch card tabulation in the Bureau of the Census, 1890-1940, with outlines of actual tabulation programs/ Leon Edgar Truesdell.

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