42. Census of Public Defender Offices: County-Based and Local Offices, 2007 Bookmark Format Single study
44. Census of Publicly Funded Forensic Crime Labs Series (CPFFCL) (2002+) Bookmark Format Series - ongoing
53. Collaborative Simulation Design Embedding Trauma Informed Approaches in Police Responses to Child Sexual Exploitation, 2022-2023 Bookmark Format Single study
54. Collecting DNA at Arrest: Policies, Practices, and Implications, in 28 States, 2005-2012 Bookmark Format Series - completed
55. Combating Human Trafficking in Zimbabwe: The Role of Non-governmental Organisations in the Fight Against Human Trafficking in Zimbabwe, 2020-2021 Bookmark Format Single study
57. Community Health Center: Core Data Project, 2001-2002 [United States] Bookmark Format Single study
59. Community Lighting in Northern Uganda’s Rhino Camp Refugee Settlement Survey 2016 Bookmark Format Series - ongoing
60. Comparative Cross-National Study in the Middle East and North Africa (2013-2016) Bookmark Format Series - completed