5 Ergebnisse.

This biographical sketch contains Pfeiffer's autobiographical memoirs, articles on etheric research and nutrition, the etherization of the blood, and the function of the heart. Excerpts from his letters are also included.

4 lectures, Spring Valley, New York, Nov. 14 and 28, Dec. 12 and 26, 1948For Dr. Ehrenfried Pfeiffer, the Mystery Dramas provide a sequel to Rudolf Steiner's How to Know Higher Worlds. The four dramas also comprise a manual for finding answers to questions of one's efforts toward a spiritual life in community.

Wat doe je om van je onkruid af te komen, en waarom? Waarom groeit speciek die plant op die plek? Wat vertelt het over de grond, en wat vertelt het over jou? In dit waardevolle boekje kun je alles lezen over planten die bekend staan als onkruid. Ehrenfried Pfeiffer bespreekt welke soorten onkruid er bestaan, hoe ze groeien, en wat ze ons kunnen vertellen over de vruchtbaarheid van de grond. De strijd tegen het onkruid wordt zowel in theorie al...

A wide-ranging study of different landscapes and the effects on soil fertility of both natural processes and artificial intervention.

Dr. Ehrenfreied Pfeiffer writes: "Research carried on since 1925 has shown that the formation and arrangement of crystals during the process of crystallization can, under certain conditions, be greatly influenced by the admixture of various substances.... Hence, from these alterations (in form) apriori conclusions can be drawn about the qualities and characteristics of the admixture itself." This is an essential element in his work of analyzin...