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The natural laws of husbandry
- "The plant. The soil. Action of soil on food of plants in manure. Farm-yard manure. The system of farm-yard manuring. Guano. Poudrette - human excrements. Earth phosphates. Ground rape-cake. Wood-ash. Ammonia and nitric acid. Cammon salt, nitrate of soda, salts of ammonia, gypsum, lime."
- "Natural laws of husbandry"
- "The natural Laws of husbandry"
- "The natural laws of husbandry"
- "The natural laws of husbandry"@en
- "The Natural Laws of Husbandry. Edited by John Blyth"@en