As you're reading through the posts you will notice that there are numbers at certain points, these are for the foot notes in the book. If you would like to see what the foot notes have to say you can go to the following link
http://www.usc.edu/dept/MSA/fundamen.../abutaw_1.html where I got the text from and view all the foot notes. Just click on the section that you're reading, find the foot note you're looking for and click on it to view it.