"Indian Subcontinentเก็บถาวร 21 มกราคม 2012 ที่ เวย์แบ็กแมชชีน". Encyclopedia of Modern Asia. Macmillan Reference USA (Gale Group), 2006: "The area is divided between five major nation-states, Bangladesh, India, Nepal, Pakistan, and Sri Lanka, and includes as well the two small nations of Bhutan and the Maldives Republic... The total area can be estimated at 4.4 million square kilometres or exactly 10 percent of the land surface of Asia."
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Doniger 2010, p. 66: "Much of what we now call Hinduism may have had roots in cultures that thrived in South Asia long before the creation of textual evidence that we can decipher with any confidence. Remarkable cave paintings have been preserved from Mesolithic sites dating from c. 30,000 BCE in Bhimbetka, near present-day Bhopal, in the Vindhya Mountains in the province of Madhya Pradesh." Doniger, Wendy (2010). The Hindus: An Alternative History. Oxford University Press. ISBN978-0-19-959334-7.
Jones & Ryan 2006, p. xvii: "Some practices of Hinduism must have originated in Neolithic times (c. 4000 BCE). The worship of certain plants and animals as sacred, for instance, could very likely have very great antiquity. The worship of goddesses, too, a part of Hinduism today, maybe a feature that originated in the Neolithic." Jones, Constance; Ryan, James D. (2006), Encyclopedia of Hinduism, Infobase Publishing, ISBN978-0-8160-7564-5
Margulies, Phillip (2008). Nuclear Nonproliferation. Infobase Publishing. p. 63. ISBN978-1-4381-0902-2., Quote: "Afghanistan, which lies to the northwest, is not technically a part of South Asia but is an important neighbor with close links and historical ties to Pakistan."
Anderson, Ewan W.; Anderson, Liam D. (2013). An Atlas of Middle Eastern Affairs. Routledge. p. 5. ISBN978-1-136-64862-5., Quote: "To the east, Iran, as a Gulf state, offers a generally accepted limit to the Middle East. However, Afghanistan, also a Muslim state, is then left in isolation. It is not accepted as a part of Central Asia and it is clearly not part of the Indian subcontinent".
"Population by Mother Tongue"(PDF). Population Census Organization, Government of Pakistan. คลังข้อมูลเก่าเก็บจากแหล่งเดิม(PDF)เมื่อ 2006-02-17. สืบค้นเมื่อ 2008-05-31.
"Standard Country or Area Codes for Statistical Use". Millenniumindicators.un.org. เก็บจากแหล่งเดิมเมื่อ 11 July 2017. สืบค้นเมื่อ 25 August 2012. Quote: "The assignment of countries or areas to specific groupings is for statistical convenience and does not imply any assumption regarding political or other affiliation of countries or territories by the United Nations."
"Standard Country or Area Codes for Statistical Use". Millenniumindicators.un.org. เก็บจากแหล่งเดิมเมื่อ 11 July 2017. สืบค้นเมื่อ 25 August 2012. Quote: "The assignment of countries or areas to specific groupings is for statistical convenience and does not imply any assumption regarding political or other affiliation of countries or territories by the United Nations."
"Indian Subcontinentเก็บถาวร 21 มกราคม 2012 ที่ เวย์แบ็กแมชชีน". Encyclopedia of Modern Asia. Macmillan Reference USA (Gale Group), 2006: "The area is divided between five major nation-states, Bangladesh, India, Nepal, Pakistan, and Sri Lanka, and includes as well the two small nations of Bhutan and the Maldives Republic... The total area can be estimated at 4.4 million square kilometres or exactly 10 percent of the land surface of Asia."
"Population by Mother Tongue"(PDF). Population Census Organization, Government of Pakistan. คลังข้อมูลเก่าเก็บจากแหล่งเดิม(PDF)เมื่อ 2006-02-17. สืบค้นเมื่อ 2008-05-31.
