Beaumont, A. B. 1887- Garden soils, their use and conservation. - New York, Orange Judd Pub. Co., 1948. - 280 p. illus. 23 cm. "Selected references": p. 261-262. LCCN: agr48000500 Subjects--Topical Terms: Soils.Fertilizers.Vegetable gardening. LC Class. No.: S597 / .B4 Dewey Class. No.: 631.4