Text in italics is marked with _ underscore, text in small caps changed to ALL CAPS. Illustrations were moved to paragraph breaks. The index is sorted by page numbers within the alphabetical groups. This has been retained. Footnotes were moved to the end of the corresponding paragraph. A list of corrections made can be found at the end of the book. ITS CAUSE AND THE MANNER OF ITS EXTENSION--ITS MENACE--ITS CONTROL AND SUPPRESSION--ITS DIAGNOSIS AND TREATMENT…
Or read it translated: 日本語 · 中文 · हिन्दी · Español · العربية · Français · বাংলা · Português · Русский · Bahasa Indonesia · اردو · Deutsch · Kiswahili · 한국어