Bulletin (Pennsylvania. Department of Agriculture)
This volume contains the following bulletins of Pennsylvania. Dept. of agriculture: no.81. Concentrated commercial feeding stuffs in Pennsylvania, by William Frear ; no.87. Giving average composition of feeding stuffs ; no.107, 122, 135. Analyses of commercial feeding stuffs, 1902-1904 ; no.145, 155, 167, 175, 196, 208. Commercial feeding stuffs, 1905-1910.
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