Messerli, Jonathan, 1926- Horace Mann; a biography. - [1st ed.] - New York, Knopf, 1972 [c1971] - xviii, 600, xxxvii p. illus. 25 cm. Bibliography: p. [591]-595. ISBN: 0394429206 Source: $15.00 LCCN: 78154905 Subjects--Personal Names: Mann, Horace, 1796-1859. LC Class. No.: LB 695.M35 / M4