01001cam a2200229 4500 1925305779 TxAuBib 20240215120000.0 100318s2010||||||||||||||||||||||||eng|u 31691 Project Gutenberg PGUSA eng TxAuBib Douglas, Loudon M., 1864-1944. The Bacillus of Long Life [Gutenberg] : A Manual of the Preparation and Souring of Milk for Dietary Purposes, Together with an Historical Account of the Use of Fermented Milks, from the Earliest Times to the Present Day, and Their Wonderful Effect in the Prolonging of Human Existence / Loudon M. Douglas. Project Gutenberg, 2010. Project Gutenberg ; 31691 Reading ease score: 59.2 (10th to 12th grade). Somewhat difficult to read. Public domain in the USA. Text. Fermented milk. Longevity. Project Gutenberg ; 31691. http://www.gutenberg.org/ebooks/31691