Text ( visual ) : unmediated Upton Sinclair : an annotated checklist / by Ronald Gottesman. -- 1st ed. -- [Kent, Ohio] : Kent State University Press , c1973. -- xx, 544 p. ; 23 cm. -- (The Serif series ; no. 24). -- Includes index. -- ISBN 0873381149 ; (BA45070181) ; https://ci.nii.ac.jp/ncid/BA45070181 Author Heading(s): Gottesman, Ronald. -- Classification(s): LCC : Z8819.5 ; DC : 016.813/5/2. -- Subject Heading(s): LCSH : Sinclair, Upton, 1878-1968 -- Bibliography