1. Boston University Center for Psychiatric Rehabilitation. (n.d.). The Role of Peer Providers. This resource outlines the various roles of peer support specialists, including operating warm lines to provide support and reduce isolation, which is distinct from crisis intervention. The center's materials emphasize using the right level of support to foster recovery. (Specific document: General courseware on peer support roles).
2. Pratt, C. W., Gill, K. J., Barrett, N. M., & Roberts, M. M. (2014). Psychiatric Rehabilitation (3rd ed.). Academic Press. Chapter 11, "Supporting Social Functioning," discusses the importance of social networks and support systems, including peer-run services like warm lines, as essential tools for managing chronic symptoms and preventing social isolation, particularly for individuals with schizophrenia. (pp. 245-247).
3. Repper, J., & Carter, T. (2011). A review of the literature on peer support in mental health services. Journal of Mental Health, 20(4), 392-411. https://doi.org/10.3109/09638237.2011.583947. This review distinguishes between different types of peer support, highlighting services like warm lines that offer "a supportive, non-judgmental, and understanding conversation" (p. 395), which is precisely what is needed in the described non-crisis scenario.