Brown, Lauren. Grasses, an identification guide / written & illustrated by Lauren Brown. - Boston : Houghton Mifflin, 1979. - viii, 240 p. : ill. ;Pbk - Peterson nature library . Includes index. ISBN: 0395276241 : Subjects--Topical Terms: Grasses--Identification. LC Class. No.: QK495.G74 / B69 Dewey Class. No.: 584/.9