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The entomological writings of Dr. Alpheus Spring Packard
Report on the culture of sumac in Sicily, and its preparation for market in Europe and the United States
Manurial requirements of the Cecil silt loam of Lancaster County, S.C
Weeds : excerpts from 1922 annual reports of state and county extension agents
Effect of household processing and storage on quality of pickled vegetables and fruits
Soils of the eastern United States and their use-- XXXI. The Penn loam
Soils of the eastern United States and their use-- XXXVIII. Muck and peat
Seasonal nitrification as influenced by crops and tillage
Soils of the eastern United States and their use-- XXVIII. The Susquehanna fine sandy loam
Agricultural instruction for adults in the British empire ...