Bio-dynamic farming and gardening : an introduction to Rudolph Steiner's approach to agriculture
著者
書誌事項
Bio-dynamic farming and gardening : an introduction to Rudolph Steiner's approach to agriculture
Bio-Dynamic Agricultural Association : Rudolf Steiner House, [1950?]
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注記
Title from cover
"Reprinted by permission from Organic Gardening (U.S.A.), December 1950" -- colophon