[For those interested, there is a note at the end of this document that details the adaptations made to this work to fit it into plain ASCII text] The only part of my book I wish to preface is the last part,--the foreign sketches,--and it is not much matter about these, since if they do not contain their own proof, I shall not attempt to supply it here.…
Or read it translated: 日本語 · 中文 · हिन्दी · Español · العربية · Français · বাংলা · Português · Русский · Bahasa Indonesia · اردو · Deutsch · Kiswahili · 한국어