These are comprehensive, well-structured Introduction to Criminology Notes that cover the concepts, theories, quotes and research evidences extracted from a plethora of books. Topics included are Positivism, Biological Positivism, Psychological Positivism & Contemporary Classicism. These notes have helped me achieved a distinction essay, which I have also included in these notes as an example along with a reference list formatted in Harvard style. Total of 28 pages.