Text ( visual ) : unmediated Drawings defined / with a preface and commentary by Konrad Oberhuber ; edited by Walter Strauss and Tracie Felker. -- New York : Abaris Books , 1987. -- 437 p. : ill. ; 32 cm. -- Includes bibliographies and index. -- (BA03909094) ; https://ci.nii.ac.jp/ncid/BA03909094 Author Heading(s): Oberhuber, Konrad ; Strauss, Walter L. ; Felker, Tracie