Ceasefire
2022. “Introducing the Civil Conflict Ceasefire Dataset.” Journal of Conflict Resolution.
Akebo, Malin. (2016). Ceasefire Agreements and Peace Processes: A Comparative Study. Routledge.
Colletta, Nat. (2011). "Mediating ceasefires and cessations of hostilities agreements in the framework of peace processes." In Peacemaking: From Practice to Theory. Praeger, 135–147.
Forster, Robert A. (2019). Ceasefires. In The Palgrave Encyclopedia of Global Security Studies. Palgrave.
Fortna, Virginia Page. (2004). Peace Time: Cease-fire Agreements and the Durability of Peace. Princeton University Press.
Williams, R., Gustafson, D., Gent, S., & Crescenzi, M. (2021). "A latent variable approach to measuring and explaining peace agreement strength." Political Science Research and Methods, 9(1), 89–105.

External links: 
University of Edinburgh Ceasefires Tracker
Search for ceasefire agreements on the Peace Agreement Access Tool (PA-X), 1990-2015.
Search for ceasefire agreements in the UN Peacemaker Database
Search for women and ceasefire agreements in PA-X Women Database