Barrett, Thomas J.
Harnessing the earthworm. A practical inquiry into soil-building, soil conditioning, and plant nutrition through the action of earthworms, with instructions for intensive propagation and use of domesticated eartworms in biological soil-building.
London, Faber and Faber, 1949, 1. edition, pp. xvi, 166, text-illustrations and photo-plates, 8vo, cloth. Cancelled library stamps.