A.D. Wentzell ; translated by S. Chomet ; foreword by K.L. Chung. M.M. Koltun ; translated by S. Chomet ; edited by D.P. Siddons. by J.-P. Delahaye ; translated by J. Howlett ; foreword by Maurice Nivat. B.M. Smirnov ; translated by S. Chomet ; edited by H.S.W. Massey. Carl Schmitt ; translated by George Schwab ; foreword by Tracy B. Strong.