In "The Communist International" Vol. XIV, No. 2 (February, 1937). 
Other contributions include "The Trial of the Anti-Soviet Trotskyist Center," "The New Phase of Struggle for a Democratic, Independent Spain," "The Struggle against the Penetration of Hitler Fascism into the Balkans" by F. Spiridonov, "Decision of the Presidium of the E.C.C.I. on the Work of the Communist Party of Spain," "In Memory of the British Comrades Who Have Fallen in Spain" by Harry Pollitt, "The Struggle for Democracy in Iraq and for Universal Peace" by Salim Abud, etc.