Here you find audio files of lectures of Tim van Gelder and Fiona Patterson from a 1 semester course Critical Thinking with Rationale at the University of Melbourne in 2007:
06 College Argumentative Essays
07 College Multi Premises Rabbit Rule
08 College Multi Premises Argument
09 College Inference Objections
11 College Identifying Arguments
12 College Principle of Benevolence
13 College Evaluation Overview / Ten Commandments
16 College Evaluation Fallacies
17 College Deductive Arguments