Pool, Raymond J. 1882-1967. Marching with the grasses. - [Lincoln] Univ. of Nebraska Press 1948. - xii, 210 p. illus., maps (part fold.) 24 cm. Bibliography: p. 191-201. LCCN: agr49000023 Subjects--Topical Terms: Grasses.Grain. LC Class. No.: SB189 / .P74 Dewey Class. No.: 633