Vintage 1911 Edition of Roget's Thesaurus

1911 edition of the classic reference book. According to Wikipedia: "Roget's Thesaurus is a widely used English language thesaurus, created by Dr. Peter Mark Roget (1779–1869) in 1805 and released to the public on 29 April 1852. The original edition had 15,000 words, and each new edition has been larger... Roget's Thesaurus is composed of six primary classes. Each class is composed of multiple div...