Lecture 1 : This lecture explains when the earliest societies build earliest Indonesian Philosophy (http://archive.org/details/Lecture1a).
Lecture 2 : This lecture explains the history of coining names for Indonesian tradition of philosophy (http://archive.org/details/Lecture1b).
Lecture 3 : This is the continuation of the Lecture 1a and Lecture 1b. This lecture explains a philosophical concept, namely 'the Adat', what Adat actually is and how it is called Adat and how Adat is manifested in the real life of Indonesia's primeval societies (http://archive.org/details/Lecture1c).
Lecture 4 : This explains the mythology as the philosophy of history of everything (http://archive.org/details/Lecture1d).
Lecture 5 : This is a Mary's version (Microsoft Voice) to explain the definition of Indonesian Philosophy (http://archive.org/details/MarysSpeechOnDefinitionOfIndonesianPhilosophy).