Musuh bebuyutan
Musuh bebuyutan adalah adu pendapat atau pertikaian jangka panjang, sering kali antara kelompok sosial masyarakat, khususnya keluarga atau klan. Musuh bebuyutan dimulai karena satu pihak (entah benar atau salah) dianggap menyerang, menghina atau melakukan perbuatan hal yang salah terhadap pihak lainnya.

Bacaan tambahan 
 Grutzpalk, Jonas. "Blood Feud and Modernity. Max Weber's and Émile Durkheim's Theory." Journal of Classical Sociology 2 (2002); p. 115–134.
 Kreuzer, Peter. 2005. "Political Clans and Violence in the Southern Philippines." Frankfurt: Peace Research Institute Frankfurt. PDF
 Torres, Wilfredo M. (ed). 2007. Rido: Clan Feuding and Conflict Management in Mindanao. Makati: The Asia Foundation. PDF
 Torres, Wilfredo M. 2010. "Letting A Thousand Flowers Bloom: Clan Conflicts and their Management." Challenges to Human Security in Complex Situations: The Case of Conflict in the Southern Philippines. Kuala Lumpur: Asian Disaster Reduction and Response Network (ADRRN). PDF 
 Boehm, Christopher. 1984. Blood Revenge: The Anthropology of Feuding in Montenegro and Other Tribal Societies. Lawrence: University of Kansas. at Google Books

Pranala luar 

 BBC: "In pictures: Egypt vendetta ends" May, 2005. "One of the most enduring and bloody family feuds of modern times in Upper Egypt has ended with a tense ceremony of humiliation and forgiveness. [...] Police are edgy. After lengthy peace talks, no one knows if the penance — and a large payment of blood money — will end the vendetta which began in 1991 with a children's fight."
 15 clan feuds settled in Lanao; rido tops cause of evacuation more than war, from the MindaNews website. Posted on 13 July 2007.
 2 clans in Matanog settle rido, sign peace pact, from the MindaNews website. Posted on 30 January 2008.
 Albania: Feuding families…bitter lives 
 Bedouin family feud
 Blood feud in Caucasus
 Blood feud in Medjugorje, 1991-1992
 Blood feuds blight Albanian lives
 Blood feuds tearing Gaza apart
 Blood in the Streets: Subculture of Violence 
 Calabrian clan feud suspected in slayings
 Chad: Clan Feuds Creating Tinderbox of Conflict
 Children as teacher-facilitators for peace, from the Inquirer website. Posted on 29 September 2007.
 Crow Creek Massacre
 Family Feud in Ireland Involves 200 Rioters
 Gang mayhem grips LA
 Gangs clash in Nigerian oil city
 Iraq's death squads: On the brink of civil war
 Mafia feuds bring bloodshed to Naples' streets
 Maratabat and the Maranaos, from the blog of Datu Jamal Ashley Yahya Abbas, "Reflections on the Bangsa Moro." Posted on 1 May 2007.
 Mexico drugs cartels feud erupts
 NZ authorities fear retaliatory attacks between rival gangs
 Rido, from The Asia Foundation's Rido Map website. 
 Rido and its Influence on the Academe, NGOs and the Military, an essay from the website of the Balay Mindanaw Foundation, Inc. Posted on 28 February 2007.
 'Rido' seen [as] major Mindanao security concern, from the Inquirer website. Posted on 18 November 2006.
 State Attorney: Problems Posed By Haitian Gangs Growing
 Thousands fear as blood feuds sweep Albania 
 Tribal Warfare and Blood Revenge
 Tribal warfare kills nine in Indonesia's Papua 
 Villages in "rido" area return home, from the MindaNews website. Posted on 1 November 2007.
 Violent ethnic war looms between Filipino and Vietnamese gangs
 A "Yakuza War" has started in Central Tokyo