Text ( visual ) : unmediated Learning history / A.K. Dickinson, P.J. Lee and P.J. Rogers. -- pbk. ; . -- London ; Exeter, NH : Heinemann Educational Books , 1984. -- x, 230 p. : ill. ; 22 cm. -- Includes bibliographical references and index. -- ISBN 0435802895 ; 0435802887 ; (BA3009705X) ; https://ci.nii.ac.jp/ncid/BA3009705X Author Heading(s): Dickinson, A. K. (Alaric Keith) ; Lee, P. J. (Peter John) ; Rogers, P. J. (Peter J.). -- Classification(s): LCC : D16.4.G7 ; DC19 : 907/.1. -- Subject Heading(s): LCSH : History -- Study and teaching -- Great Britain