The posture of school children, with its home hygiene and new efficiency methods for school training (1913) (14778887795), Henry Oliver Walker

Identifier: postureofschoolc00banc (find matches) title: the posture of school children, with its home hygiene and new efficiency methods for school training year: 1913 (1910s) authors: bancroft, jessie h. (jessie hubbell), 1867-1952 subjects: child care school hygiene publisher: new york, the macmillan company contributing library: the library of congress digitizing sponsor: the library of congress. Date: 1913.