This report provides an annotated bibliography of studies relating to the Syrian crisis since 2012 on Mental Health and Psychosocial Support (MHPSS) needs, including those relating to children and adolescents. The rapid search for this review suggests there is a small evidence base on the area of Mental Health and Psychosocial Support (MHPSS) in Syria. The question is supported by a small amount of grey literature which emerged as useful, and comments from experts in the field which are delivered in a separate document. The key factors contributing to mental health and psychosocial problems include: Feeling unsafe; Terror of air strikes and bombs destroying people and homes within Syria; Fears over security and protection also within refugee host countries as well as concerns of discrimination; Family, community and sectarian tensions; Fears about future economic security; Among children, lack of education provision and Schools provide children with a feeling of safety, stability and hope for the future; Disconnection from family and friends who have fled to different areas; Concerns about access to healthcare services; and Women feeling isolated. Other areas for concern include: boys being recruited by armed groups; girls distressed by being forced into early marriage, and girls at greater risk of sexual violence in overcrowded camp conditions. Many children have been orphaned with numbers unknown.