XII Plenum of the ECCI. Verbatim Report in 3 Volumes. In Russian/XII Plenum IKKI. Stenograficheskiy otchet v 3-kh tomakh. M. Partizdat. 1933 208 and 264 and 180 p. Please contact us for details on condition of available copies of the book. SKUalb4fe39d85c7169931.