Ehrenfried Pfeiffer was a German scientist, soil scientist, leading advocate of biodynamic agricu...
This wonderful little book covers everything you need to know about the types of plants known as ...
Ehrenfried Pfeiffer was a German scientist, soil scientist, leading advocate of biodynamic agricu...
Frontmatter -- Aus dem Vorwort zur ersten Auflage -- Vorwort zur neunundachtzigsten Auflage -- IN...
A comprehensive book on the key principles of biodynamics
Brings together the best advice for cultivating fruit trees using biodynamic methods, by two lead...
'Research carried on since 1925 has shown that the formation and arrangement of crystals during t...
This wonderful little book covers everything you need to know about the types of plants known as ...
There have been numerous developments and advancements in biodynamic agricultural methods since E...
4 lectures, Spring Valley, New York, Nov. 14 and 28, Dec. 12 and 26, 1948
This biographical sketch contains Pfeiffer's autobiographical memoirs, articles on etheric resear...