By Ziegler E. A.   in Journal of Forestry

ISSN:0022-1201|13|3|361-364

Society of American Foresters‎(1915)‎

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By Ziegler E. A.   in Journal of Forestry

ISSN:0022-1201|32|4|475-478

Society of American Foresters‎(1934)‎

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By Ziegler E. A.   in Journal of Forestry

ISSN:0022-1201|13|2|163-170

Society of American Foresters‎(1915)‎

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By Ziegler E. A.   in Journal of Forestry

ISSN:0022-1201|13|4|465-467

Society of American Foresters‎(1915)‎

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By Ziegler E. A.   in Journal of Forestry

ISSN:0022-1201|12|1|31-33

Society of American Foresters‎(1914)‎

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By Ziegler E. A.   in Journal of Forestry

ISSN:0022-1201|24|8|858-861

Society of American Foresters‎(1926)‎

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By Ziegler E. A.   in Journal of Forestry

ISSN:0022-1201|20|8|876-882

Society of American Foresters‎(1922)‎

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By Ziegler E. A.   in Journal of Forestry

ISSN:0022-1201|45|6|455-456

Society of American Foresters‎(1947)‎

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By Kellog R. S.   Ziegler E. A.   in Journal of Forestry

ISSN:0022-1201|7|4|377-384

Society of American Foresters‎(1909)‎

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By Ziegler E. A.   Bond W. E.   in Journal of Forestry

ISSN:0022-1201|30|3|284-300

Society of American Foresters‎(1932)‎

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