TY  - BOOK
AU  - Barrett,Thomas Jason
TI  - Earthworms, their intensive propagation and use in biological soil-building: the Earthmaster system
AV  - SB998.E4 B35 1948
U1  - 631.45 
PY  - 1948///
CY  - Roscoe, Calif.
PB  - Earthmaster Publications
KW  - Earthworm culture
KW  - Soils
N1  - "An introduction to the more complete textbook, H̓arnessing the earthworm."̓-p. 54; Pub. 1942 under title: The Earthmaster system for intensive propagation and use of domesticated earthworms
ER  -