172. Sectoral coverage and prices of carbon pricing mechanisms introduced since 1990 Bookmark Format Single study
173. SIPRI's databases (Stockholm International Peace Research Institute) Bookmark Format Data archive or collection
174. State Fragility Index and Matrix, Time-Series Data, 1995-2018 Bookmark Format Series - completed
179. Survey of Syrian Refugees and Host Communities, 2015-2016 (Lebanon, 2015 - 2016) Bookmark Format Single study
180. Survey of Syrian Refugees and Host Communities in Kurdistan, 2015-2016 Bookmark Format Single study