Keystone / [electronic resource] / [compiled by] William K. Durr, Vivian O. Windley, Mildred C. Yates ; consultant, Paul McKee.. — Boston : : Houghton Mifflin,, c1976.. — 576 p. : : col. ill. ; 24 cm. — (Houghton Mifflin reading series).

Includes bibliographies.



ISBN: 0395204135 9780395204139

LCCN: 75328960

Subjects--Topical Terms:
Readers.

LC Class. No.: PE1121 / .K43

Dewey Class. No.: 428/.6