Nichols, Eugene D. 1923-2019 Holt mathematics [grade 7] Eugene D. Nichols [and 7 others]. - New York Holt, Rinehart and Winston, Publishers 1985 - 472 pages : with col. ill. ; 26 cm. ISBN: 0030642191 Subjects--Topical Terms: Arithmetic -- Juvenile literature.Mathematics -- Study and teaching (Elementary). Dewey Class. No.: 513 N617h 1985 Bk.7