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health.howstuffworks.com
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Robichaux, David Luke (1 January 1997). "Residence Rules and Ultimogeniture in Tlaxcala and Mesoamerica". Ethnology. 36 (2): 149–171. doi:10.2307/3774080. JSTOR3774080.
Henry Orenstein and Michael Micklin (1966). "The Hindu Joint Family: The Norms and the Numbers". Pacific Affairs. 39 (3/4): 314–325. doi:10.2307/2754275. JSTOR2754275. Autumn, 1966
Bronson, Po. Multiple Generation/Extended Family Households. The Factbook: eye-opening memos on everything family. 2000 [2]Archived 2017-07-18 at the Wayback Machine
Gender and Well-Being Interactions between Work, Family and Public Policies COST ACTION A 34 Second Symposium: The Transmission of Well-Being: Marriage Strategies and Inheritance Systems in Europe (17th-20th Centuries) 25th -28th April 2007 University of Minho Guimarães-Portugal http://www.ub.edu/tig/GWBNet/MinhoPapers/Constanta%20Ghitulescu.pdfArchived 2016-03-04 at the Wayback Machine
Gender and Well-Being Interactions between Work, Family and Public Policies COST ACTION A 34 Second Symposium: The Transmission of Well-Being: Marriage Strategies and Inheritance Systems in Europe (17th-20th Centuries) 25th -28th April 2007 University of Minho Guimarães-Portugal http://www.ub.edu/tig/GWBNet/MinhoPapers/Constanta%20Ghitulescu.pdfArchived 2016-03-04 at the Wayback Machine
Bronson, Po. Multiple Generation/Extended Family Households. The Factbook: eye-opening memos on everything family. 2000 [2]Archived 2017-07-18 at the Wayback Machine