Tamm Lessa de Sá, Carlos (2022) Possessed by a cruel God: The damaging effect of an omnipotent internal object. In: The Omnipotent State of Mind: Psychoanalytic Perspectives. Routledge, Abingdon, pp. 135-143. ISBN 97810031851

Tamm Lessa de Sá, Carlos (2019) The desert, the jungle, and the garden: Some aspects of autistic functioning and language development. In: New discoveries in child psychotherapy: Findings from qualitative research. The Tavistock Clinic Series . Routledge, Abingdon, pp. 84-120. ISBN 9780367244101

Tamm Lessa de Sá, Carlos (2015) Autistic functioning and language development. PhD thesis, Tavistock and Portman NHS Foundation Trust. Full text available