The 842 research projects on emotional disturbance which have been reported to the Children's Bureau Clearinghouse for Research in Child Life since 1956 are listed. Projects are classified into the following categories: general studies; incidence and prevalence; etiology; identification, diagnosis, and classification; psychological testing; psychological and other characteristics; psychoses; associated manifestations; treatment methods; treatment facilities; community programs; and children with disturbed parents and siblings. Each entry states title, dates of study, issue of Research Relating to Children in which the project was listed, principal investigators with addresses, and publication references. Studies reported in Bulletin 21, followup and longitudinal studies, and other Clearinghouse publications are listed. An investigator index is provided. (LE)