No word of Preface is necessary to this Volume, except to say that in presenting it to his readers, the author feels that that he is fulfilling a promise made to them when Volume I of the series was issued. A word of explanation will be found as an introduction to each subdivision of the book, which excludes the necessity of making any reference to such subdivisions in this General Forward.…
Or read it translated: 日本語 · 中文 · हिन्दी · Español · العربية · Français · বাংলা · Português · Русский · Bahasa Indonesia · اردو · Deutsch · Kiswahili · 한국어