Gilbert, Charles Churchill, 1918- Success without soil; how to grow plants by hydroponics. - San Diego, Calif., Chapman-Gilbert Co., c1948. - 109 p. illus. 23 cm. LCCN: agr49000011 Subjects--Topical Terms: Hydroponics. LC Class. No.: SB139 / .G5 Dewey Class. No.: 631.58