Sjolund M. (1981). Play diagnosis and therapy in Sweden: The Erica-method. Journal of Clinical Psychology. 37 (2). 322—325

Slavson S. (1952). Child Psychotherapy. New York: Columbia University Press.

Smathers S. & Tirnauer L. (1959). Speech-play therapy. The Journal of Speech and Hearing Disorders. 24. 59—61.

Solomon J. (1988). Active play therapy. American Journal of Orthopsychiatry. 8 (3). 479—498.

Solomon J. (1948). Play technique. American Journal of Orthopsychiatry. 18. 402—413.

S.olomon J. (1955). Play techniques and the integrative process. American Journal of Orthopsychiatry. 25 (3)'. 591—600.

Stollak G. (1981). Variations and extensions of filial therapy. Family Process. 20(3). 305—309.

Subotnik L. (1966). Transference in client-centered play therapy. Psychology. 3(1). 2—17.

Trail 1 P. (1945). An 'account of Lowenfield technique in a child guidance clinic,, with a survey of therapeutic play techniques in Great Britain & U.S.A. Journal of Mental Science. 91. 43—78. .

Ude-Pestel A. (1977). Betty: Historey and art of a child in therapy. Palo Alto. CA: Science and Behavior Books.

VinturellaL. & James R. (1987). Sand play: A therapeutic medium with children. Elementary School Guidance and Counselting. 21 (3). 229—238.

Wall L. (1979). Parents as play therapists: A comparison of three interventions into children:s play. (DAI 39/1 IB). Unpublished doctoral dissertation: University of Northern Colorado.

Waterland J. (1970). Actions instead of words: Play therapy for the young child. Elementary School Guidance and Counseling. 4 (3). 180-187.

Weigle H. & McNally H. (1980). When a child needs counseling: How two children were helped through the use of non-directive play therapy. Early Years Parent. 11 (4). 12—13.

West J. (1984). Ending or beginning? A discussion of the theory and practice of termination procedurs in play therapy. Journal of Social Work Practice. 1 (2). 49—65.