Fall of Harappan Civilization: Ascribes the fall of the Indus civilisation to Aryan invasions, and defends the Aryan Invasion Theory.
History of Ancient India: Restating the claims by eminent authors who disagree with the Aryan Invasion Theory.
Kalidas Vedic India: Website maintained by N. S. Rajaram, author of several works criticising the Aryan invasion theory, and presenter of a possible decipherment of the Indus Valley script.
The Aryan Question Revisited: Text of a lecture by Romila Thapar discussing the existence of the distinction between Arya and Dasa in the Rg Veda.
The Aryans: A page by Richard Hooker, supportive of the Aryan invasion theory, and describing Aryans in India according to the standard histories.
The Myth of Aryan Invasion of India: David Frawley makes the case stated in the title in a detailed book length exposition.
Update on the Aryan Invasion Debate: Outlines the case against the theory of the 'Aryan Invasion', and discusses the contemporary political implications of the theory. Online version of a book by Koenraad Elst.
Why Pepetuate Myths?: Text of a lecture from B. B. Lal claiming continuity between the ancient Indus valley culture and more modern times. Includes graphic evidence.
Wikipedia: Aryan Invasion Theory: An overview of the theory, plus information on criticism of it and evidence for and against.