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  1. The cost of growing timber / by R.S. Kellogg and E.A. Ziegler.
    By: Kellogg, Royal Shaw, - Ziegler, E. A.
    Publication info: Chicago :American Lumberman,1911.
    Contributed by: Library of Congress
    BHL Collections: Library of Congress
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  2. Forest tables--Western yellow pine.
    By: Ziegler, E. A. - United States.
    Publication info: Washington, D.C. :G.P.O.,1908.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  3. The woodsman's handbook.
    By: Graves, Henry Solon, - Ziegler, E. A.
    Edition: (Rev. and enl.) By Henry S. Graves and E. A. Ziegler.
    Publication info: Washington :Govt. Print. Off.,1910.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  4. The woodsman's handbook.
    By: Graves, Henry Solon, - Ziegler, E. A.
    Edition: Rev. and enl. / by Henry S. Graves and E.A. Ziegler.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Forestry,1912.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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