Biography.com: Lakatos, Imre: Short profile of this Hungarian-born philosopher.
Falsification and the Methodology of Scientific Research Programmes: An essay by Lakatos on this topic.
Imre Lakatos: A color sketch of the thinker, by S. Uchii.
Imre Lakatos, The Ratio-Defender: Summary of Lakatos' effort to nuance the falsification doctrine and defend it from Kuhn's attacks.
Imre Lakatos: The Methodology of Research Programmes: Summary and schematization of Lakatos' project in this work.
Lakatos: Extensive essay about Lakatos' life and work.
Laktos, Imre: Biographical entry about the Hungarian philosopher and links related to the topic.
London School of Economics: Lakatos: Profile of this thinker, from the school where he taught. Includes introduction, links, and both transcript and audio of Lakatos' talk on "Science and Pseudoscience."
Modern Physics, Modern Society: Translation of this paper from Lakatos' youth, by Gábor Kutrovátz.
Philosophers of Science: Imre Lakatos: Concise profile of this British scholar.
Science as Successful Prediction: Footnoted excerpt from Lakatos' 1970 book Criticism and the Growth of Knowledge.
Wikipedia: Imre Lakatos: Entry on this philosopher of mathematics, from the openly-edited encyclopedia.