An introduction to the study of the dependent, defective, and delinquent classes and of their social treatment This book, "An introduction to the study of the dependent, defective, and delinquent classes and of their social treatment", by Charles Richmond Henderson, is a replication of a book originally published before 1906. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.