INGRAM, HAROLD E. Conference leaders' material covering principles and fundamentals of human relations. Vol.4. By Harold E. Ingram & C. J. Ingram. NM: exhibit SU & SA2 in chap. on Lack of information. © 23Jan59 (in notice: 1940); A716564. Harold E. Ingram & C. J. Ingram (A); 3Jan68; R426326.