Editing Peter Mark Roget (section)

==Thesaurus==
{{main|Roget's Thesaurus}}
Roget retired from professional life in 1840, and by 1846 was working on the book that perpetuates his memory today.<ref name="ODNB"/> It has been claimed that Roget struggled with [[depression (mood)|depression]] for most of his life, and that the [[thesaurus]] arose partly from an effort to battle it.<ref>{{cite news|title=The man who made lists to fend off depression|author=Spiegelman, Arthur|url=http://ca.reuters.com/article/oddlyEnoughNews/idCAN2628269520080328|archive-url=https://web.archive.org/web/20080409173544/http://ca.reuters.com/article/oddlyEnoughNews/idCAN2628269520080328|url-status=dead|archive-date=9 April 2008|access-date=4 May 2008|work=Reuters|date=28 March 2008}}</ref> A biographer stated that his obsession with list-making as a coping mechanism was well established by the time Roget was eight years old.<ref>{{cite news|title=Obsessed (Agog, Beset, Consumed, Driven, etc.)|author=Mallon, Thomas|url=https://www.nytimes.com/2008/03/16/books/review/Mallon-t.html|access-date=4 May 2008|work=[[The New York Times]]|date=16 March 2008}}</ref> In 1805, he began to maintain a notebook [[classification scheme]] for words, organized by meaning.<ref name="ODNB"/> During this period he also moved to Manchester, where he became the first secretary of the [[Portico Library]].<ref>{{cite book |last1=Rennison |first1=Nick |title=Peter Mark Roget: The Man Who Became The Thesaurus - A Biography |date=2015 |publisher=Oldcastle Books |isbn=9781843447931 |page=30 |url=https://books.google.com/books?id=dQpOCgAAQBAJ&pg=PT30 |language=en}}</ref>

The catalogue of words was first printed in 1852, titled ''Thesaurus of English Words and Phrases Classified and Arranged so as to Facilitate the Expression of Ideas and Assist in Literary Composition''. During Roget's lifetime, the work had twenty-eight printings. After his death, it was revised and expanded by his son, John Lewis Roget (1828–1908), and later by John's son, the engineer Samuel Romilly Roget (1875–1953).<ref name="ODNB"/><ref>{{cite journal|url=https://ieeexplore.ieee.org/document/796030|title=Roget's Engineering Successor [i.e. S. R. Roget]|journal=Engineering Science and Education Journal|volume=8|issue=4|pages=177–183|last=Lemco|first=I.|access-date=18 October 2009|doi=10.1049/esej:19990409|date=August 1999|doi-broken-date=7 December 2024 }}{{dead link|date=July 2024|bot=medic}}{{cbignore|bot=medic}}</ref> Roget's private library was put up for auction in 1870 at [[Sotheby's]] and its catalogue has been analyzed.<ref>Emblen, D.L. (1969). "The Library of Peter Mark Roget."  ''[[The Book Collector]]'' 18 no 4 (winter):  449-469.</ref>