Mites and lice on poultry /
| Main Author: | |
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| Other Authors: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Dept. of Agriculture,
1939.
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| Edition: | Slightly rev. July 1939. |
| Series: | Farmers' bulletin (United States. Department of Agriculture) ;
no. 801. |
| Subjects: |
| Item Description: | Originally issued May 1917; revised Aug. 1931. |
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| Physical Description: | 26 pages : illustrations ; 23 cm. |