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Faced with potential [[deafness]], Chambers in 1905 at the age of forty-five ended his long educational career. For the next seven years until 1912, he operated his Chambers Advertising Agency, Inc., in New Orleans.  He was then affiliated with the Vallière Manufacturing Company from 1914 until his death, having been treasurer and vice president of that company.<ref name=lahist/>​

Faced with potential [[deafness]], Chambers in 1905 at the age of forty-five ended his long educational career. For the next seven years until 1912, he operated his Chambers Advertising Agency, Inc., in New Orleans.  He was then affiliated with the Vallière Manufacturing Company from 1914 until his death, having been treasurer and vice president of that company.<ref name=lahist/>​

Chambers' other varied works, often published by either G. P. Putnam or [[Johns Hopkins University]] Press included ''Twenty Lessons in Bookkeeping'' (1885), ''A School History of the United States'' (1887), ''Questions in American History,'' ''The Constitutional History of Hawaii'' (1896), ''West Florida and Its Relation to the Historical Cartography of the United States'' (1898), and ''Legend of the ([[Mayan]]) God Votan'' (1906). Chambers also wrote short stories and [[essay]]s. He was affiliated with the New Orleans Chess Club and once played the world champion, José Raúl Capablanca, when the latter visited New Orleans.<ref name=bio/>  

Chambers' other varied works, often published by either G. P. Putnam or [[Johns Hopkins University]] Press included ''Twenty Lessons in Bookkeeping'' (1885), ''A School History of the United States'' (1887), ''Questions in American History,'' ''The Constitutional History of Hawaii'' (1896), ''West Florida and Its Relation to the Historical Cartography of the United States'' (1898), and ''Legend of the ([[Maya]]n) God Votan'' (1906). Chambers also wrote short stories and [[essay]]s. He was affiliated with the New Orleans Chess Club and once played the world champion, José Raúl Capablanca, when the latter visited New Orleans.<ref name=bio/>  

Chambers died of a [[stroke]] in New Orleans at the age of sixty-eight.<ref name=lahist/><ref>''A Dictionary of Louisiana Biography'' in its sketch of Chambers uses ''Who Was Who in America, 1897–1942'' and ''The New Orleans Times-Picayune,'' March 9, 1929.</ref>​

Chambers died of a [[stroke]] in New Orleans at the age of sixty-eight.<ref name=lahist/><ref>''A Dictionary of Louisiana Biography'' in its sketch of Chambers uses ''Who Was Who in America, 1897–1942'' and ''The New Orleans Times-Picayune,'' March 9, 1929.</ref>​