correspondence with Jacob Billikopf and many others re Rubinow's appointment as Executive Director of Zionist Organization of America and United Palestine Appeal (1928); letter of resignation as Editor of Jewish Social Service Quarterly; memo re "Appointment of Rubinow," dates Aug. 8, 1928; notice of financial problems and elimination of Rubinow's position as Executive Director and correspondence re the problem (July 1929); report of Executive Director, March 1929; &-ud routine