"This is a splendid book, providing a readable and reliable guide to a very large range of topics and literature... the author brings together, as few of us can, the details of research methodology...
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks,...
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of...