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Bio-Dynamic Farming and Gardening (Rel. Authors Section)
In 1938, Ehrenfried Pfeiffer was the Director of the Bio-chemical Research Laboratory at the Goetheanum, Dornach, Switzerland. Link: http://wn.rsarchive.org/RelAuthors/PfeifferEhrenfried/BioFarmGarden/BioDFG_index.html [...]
Sun, Jul 15, 2018
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