http://www.sciencedirect.com/science/article/pii/0197455694900353/part/first-page-pdf
Hynes and Hynes-Barry differentiated between "interactive" and "reading" bibliotherapy with poetry therapy a specialized form of interactive.
Two main approaches Shrodes (1950) is psychotherapeutic and more recently (Cohen, 1989) cognitive behavioural or self-help.
