Elijah Leonard’s memoir recounts his role in the Demarest rescue: https://archive.org/details/honorableelijahl00leon
John Farrell’s Ph.D. Dissertation provides references to the relevant Chatham Planet articles dealing with the Demarest rescue: https://ruor.uottawa.ca/handle/10393/21319
Chatham Planet articles:
Chatham Tri-weekly Planet. December 8, 1858 Chatham Planet. October 9, 1858. Chatham Tri-weekly Planet. September 29, 1858 Chatham Tri-Weekly Planet. Oct. 4, 1858 Chatham Tri-weekly Planet. October 25, 1858 Chatham Tri-Weekly Planet. Oct. 4, 1858 Chatham Planet. October 11, 1858 Chatham Tri-weekly Planet. October 22, 1858 Chatham Tri-weekly Planet. October 25, 1858 Chatham Tri-weekly Planet. October 8, 1858. Chatham Tri-weekly Planet. October 25, 1858. Chatham Tri-weekly Planet. December 22, 1858.
Sample of American Coverage of the Event:
Keowee Courier. October 16, 1858 Arkansas True Democrat. November 3, 1858 Anti-Slavery Bugle. October 16, 1858 Cleveland Morning Leader. November 29, 1858 Nashville Patriot. October 7, 1858 New Orleans Daily Crescent. October 7, 1858
Sample of British Coverage of the Event:
Huddersfield Chronicle. October 23, 1858 Baner. October 27, 1858 Nottinghamshire Guardian. October 21, 1858 Essex Standard. October 20, 1858 Hull Packet. October 22, 1858 Lancaster Gazetter. October 23, 1858
Map of published stories of the Chatham event: Coming Soon
This map shows all of the newspapers in the USA and in the British Isles which reported on the Demarest incident in Chatham. This event was reported by newspapers in 5 different countries, which highlights the importance and rarity of the event. The vast majority of these articles were published in October 1858, one month after the incident.