1. “The Nature of Nursing,”;Henderson;American Journal of Nursing,1964
2. “The Nature of Nursing,”;Henderson;American Journal of Nursing,1964
3. Interpersonal Aspects of Nursing;Travelbee,1966
4. Education for Nursing Leadership;Lambertsen,1958
5. Notes on Nursing—What It Is and What It Is Not;Nightingale,1946