Wisconsin State Horticultural Society / Annual report of the Wisconsin State Horticultural Society for the year ending July 1, 1921
Vol. LI (1921)
Peterson, P. A.
The poplar trial orchard and my impressions of fruit growing in Douglas County, pp. 66-69 PDF (1009.3 KB)
The Manitowoc trial orchard, pp. 69-71 PDF (780.7 KB)
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