Pfeiffer, Ehrenfried

1899 – 1961

• A condensation of Bio-dynamic farming and gardening
• Ein Leben für den Geist
• Bio-dynamic farming and gardening
• Der erfreuliche Pflanzengarten
• Die Fruchtbarkeit der Erde
• Formative forces in crystallization
• Ḥaḳlaʾut biyo-dinamit
• Sensitive crystallization processes
• Short practical instructions in the use of the biological-dynamic methods of agriculture
• The compost manufacturers manual