Sir Hugh Ford ; part IV with the collaboration of J. M. Alexander. by Georg Joos ; with the collaboration of IRA M. Freeman. Georg Joos ; with the collaboration of Ira M. Freeman. by Georg Joos, with the collaboration of Ira M. Freeman. Honore Alphonse Joseph pieters. With the collaboration of J. W. Creyghton. by V. Kourganoff, with the collaboration of I.W. Busbridge. by D. W. van Krevelen, with the collaboration of P. J. Hoftyzer. Ed. by H. Mark and E. S. Proskauer with the collaboration of P. M. Doty [and others] Theodore M. Bernstein, with the collaboration of Jane Wagner. William A. Hachten ; with the collaboration of Harva Hachten.