Table 2.

Most cited books, according to Google Scholar citations in November 3, 2020, found in the present study.

Ranking	Book	Year	No. Google Scholar citations
1	Koenig, H. G., McCullough, M., & Larson, D. B. (2001). Handbook of religion and health. New York: Oxford University Press.	2001	7,245
2	Koenig H. G., King D. & Carson V. (2012). Handbook of Religion and Health. Oxford University Press, New York.	2012	7,245
3	Stoll R. I. (1989). The essence of spirituality. ln: Carson V. B, ed. Spiritual Dimensions of Nursing Practice. Philadelphia: Saunders.	1989	388
4	Koenig, H. G. (2005). Faith and mental health: Religious resources for healing (p. 44). Philadelphia and London: Templeton Foundation Press.	2005	300
5	Solomon R. (2002). Spirituality for the skeptic: The thoughtful love of life. New York: Oxford Univ. Press.	2002	233
6	O’Brien, M. E. (1982). The need for spiritual integrity. In H. Yura & M. B. Walsh (Eds.), Human needs and the nursing process (pp. 85–115). Norwalk, CT: Appleton- Century-Crofts.	1982	66
7	Colliton, M. A. (1981). The spiritual dimension of nursing. In I. L. Beland & J. Y. Passes (eds.), Clinical Nursing (4th ed.) (pp. 492–501) New York, NY: Macmillan.	1981	61
8	Renetzky L. (1979) The fourth dimension: applications to the social services. In: Moberg D, ed. Spiritual Well Being. University Press of America, Washington: 215–28	1979	30
9	Walsh, R. (1999). Essential spirituality. The 7 Central Practices to Awaken Heart and Mind. New York: John Wiley	1999	22
10	Surbone, A., Konishi, T., & Baider, L. (2011). Spiritual issues in supportive cancer care. In I. N. Oliver (Ed.), The MASCC textbook of cancer supportive care (pp. 419–425). New York, NY: Springer	2011	3
11	Smeltzer, S., Bare, B., (1996). Brunner and Suddarth’s Textbook of Medical–Surgical Nursing. Lippincott Raven Publishers, Philadelphia, PA.	1996	3