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1
Selected state publications held by the National Agricultural Library.

دورية
2
Bibliography of agriculture with subject index /
[Scottsdale, AZ] : Oryx Press, 1976

دورية
3
Serials currently received by the National Agricultural Library, 1974.
Beltsville, Md. : Washington : The Library ; For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1974

وثيقة رسمية كتاب
4
Index to USDA technical bulletins, numbers 1-1802 /
بواسطة Miller, Ellen Kay
Beltsville, Maryland : National Agricultural Library, 1993

وثيقة رسمية كتاب
5
Periodicals pertaining to alternative farming systems : September 1991 /
بواسطة Gates, Jane Potter
Beltsville, Md. : National Agricultural Library, 1991

وثيقة رسمية كتاب
6
Periodicals pertaining to alternative farming systems : September 1990 /
بواسطة Gates, Jane Potter
Beltsville, Md. : National Agricultural Library, 1990

وثيقة رسمية كتاب
7
List of serials currently received in the Library of the U.S. Department of agriculture, exclusive of U.S. government publications and publications of the state agricultural colleges and experiment stations, arranged by title, by subject, and by region.
Washington : Govt. Print. Off., 1922

وثيقة رسمية كتاب
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