Text ( visual ) : unmediated The London education classification / by D.J. Foskett. -- [London] : University of London, Institute of Education , 1963. -- 66 p. ; 22 cm. -- (Education libraries bulletin ; 6). -- (BA68020987) ; https://ci.nii.ac.jp/ncid/BA68020987 Author Heading(s): Foskett, D. J.. -- Classification(s): LCC : Z697.E4 ; DC : 025.3/3370942. -- Subject Heading(s): LCSH : Classification -- Books -- Education ; LCSH : Classification, Faceted