Minnesota. Dept. of Health, Biester, L. L., Griffiths, W., & Pearce, N. O. (1947). Units in personal health and human relations by the Educational Services of the Minnesota Department of Health; Lillian L. Biester, William Griffiths and N. O. Pearce. University of Minnesota Press.

Minnesota. Dept. of Health, Lillian L. Biester, William Griffiths, and Naboth Osborne Pearce. Units in Personal Health and Human Relations by the Educational Services of the Minnesota Department of Health; Lillian L. Biester, William Griffiths and N. O. Pearce. Minneapolis: University of Minnesota Press, 1947.

Minnesota. Dept. of Health, et al. Units in Personal Health and Human Relations by the Educational Services of the Minnesota Department of Health; Lillian L. Biester, William Griffiths and N. O. Pearce. University of Minnesota Press, 1947.