Aristophanes, Acharne, 66 i.
"Meditations" by Marcus Aurelius
When Glenure moved north to Fort William, Allan went to James Stewart's cottage of Acharn.
"Historical Mysteries" by Andrew Lang
The French called him "le plus audacieux et le plus acharne," in the design of conquering Canada.
"Nooks and Corners of the New England Coast" by Samuel Adams Drake