Lewis H. Morgan probably worth doing for Ancient Society (1877) http://www.marxists.org/reference/ar...iety/index.htm Part 1, Chapter 1Part 1, Chapter 2Part 1, Chapter 3Part 2, Chapter 1Part 2, Chapter 2Part 2, Chapter 3Part 2, Chapter 4Part 2, Chapter 5Part 2, Chapter 6Part 2, Chapter 7Part 2, Chapter 8Part 2, Chapter 9Part 2, Chapter 10Part 2, Chapter 11Part 2, Chapter 12Part 2, Chapter 13Part 2, Chapter 14Part 2, Chapter 15Part 3, Chapter 1Part 3, Chapter 2Part 3, Chapter 3Part 3, Chapter 4Part 3, Chapter 5Part 3, Chapter 6Part 4, Chapter 1Part 4, Chapter 2