Reprint from _Nebraska History_, Volume 39, No. 3, September, 1958. (Copyright, 1958.) Fourth reprinting, with minor changes and some new illustrations, April, 1978.…
Or read it translated: 日本語 · 中文 · हिन्दी · Español · العربية · Français · বাংলা · Português · Русский · Bahasa Indonesia · اردو · Deutsch · Kiswahili · 한국어