The title of the book describes the content of this famous book.
Some of the Chapter titles of the book are:

Past Failure And Future Dangers Of Unlimited Suffrage
The Oldest And The Best American Traditions Favor A Restricted Suffrage
The Suffrage Is Not A Natural Right But A Function Of Government And May Therefore Properly Be Restricted To Those Competent To Exercise It    
The State As The Deputy Of Society Possesses The Just Power Of Ordaining Franchise Qualifications    
The Capacity To Create And Preserve Private Property Is The Proper Test And Proof Of Qualification For Active Citizenship In An Advanced Democracy    
Origin And First Appearance Of Manhood Suffrage As Part Of The French Terrorist Machinery

.... and many more