Major overview of European impact studies on full-time voluntary service for youth. http://www.promente.org/avsoreview;  [@powell_impact_2007] . The document search was based on a web search, a search of specialist databases, and a mail-out to voluntary service organisations and the 32 National Agencies for EVS. This search resulted in around 300 documents, of which 270 were initially classified as possibly relevant. Forty were finally classified as directly relevant (i.e. Are studies on the impact of youth long-term voluntary service in Europe) and are analysed in the findings chapter. See also http://promente.org/AVSOdocs.zip and http://promente.org/AVSOdocs-foreign.zip