- FondsHowardA - The papers of Sir Albert Howard
- SubfondsA - Professional papers of AH
- Series1 - Publications
- File3 - 1936
- Item1 - Soil fertility and disease resistance
- Item2 - A balanced agriculture
- Item3 - Humus manure : health of cattle
- Item4 - The manufacture of humus
- Item5 - Der Erzeugung von Humus nach der Indore-Methode
- 14 more...