Media type: E-Article Title: On sabbatical leave Contributor: Heiges, Ralph E. Published: Informa UK Limited, 1954 Published in: Peabody Journal of Education, 32 (1954) 1, Seite 6-8 Language: English DOI: 10.1080/01619565409536538 ISSN: 0161-956X; 1532-7930 Keywords: Developmental and Educational Psychology ; Education Origination: Footnote: