Text ( visual ) : unmediated Toward the united front : proceedings of the fourth Congress of the Communist International, 1922 / edited and translated by John Riddell. -- : pbk. -- Chicago, Ill. : Haymarket Books , 2012. -- xii, 1310 p. ; 23 cm. -- (Historical materialism book series). -- ISBN 9781608462360 ; (BB1535275X) ; https://ci.nii.ac.jp/ncid/BB1535275X Author Heading(s): Communist International. Congress ; Riddell, John. -- Classification(s): DC23 : 324.175. -- Subject Heading(s): LCSH : Communist International -- History -- Sources ; LCSH : Communist International -- Congresses