Text ( visual ) : unmediated Cognitive perspectives on educational leadership / edited by Philip Hallinger, Kenneth Leithwood, Joseph Murphy ; foreword by Larry Cuban. -- pbk.. -- New York, N.Y. : Teachers College Press , c1993. -- xv, 292 p. ; 23 cm. -- (Critical issues in educational leadership series). -- Papers originally presented at a conference held at Peabody College, Vanderbilt University, in September, 1991 ; Includes bibliographical references and index. -- ISBN 0807732788 ; 080773277X ; (BA36213200) ; https://ci.nii.ac.jp/ncid/BA36213200 Author Heading(s): Hallinger, Philip ; Leithwood, Kenneth A. ; Murphy, Joseph. -- Classification(s): LCC : LB1738.5 ; DC20 : 378.1/11. -- Subject Heading(s): LCSH : School administrators -- Training of -- United States -- Congresses ; LCSH : Educational leadership -- United States -- Congresses ; LCSH : School managment and organization -- United States -- Congresses