O’Flaherty’s novel The Informer, originally published in 1925, is set in the period following the Irish Civil War. The story revolves around an outlaw being hunted in Dublin. The Informer stands as one of O’Flaherty’s most celebrated works of fiction.

Similar to ‘‘The Sniper,’’ O’Flaherty’s short story ‘‘Civil War,’’ which is part of his 1925 collection of the same name, delves into the war's impact through the experiences of two Republican soldiers—one an idealist and the other a realist—who find themselves trapped on a rooftop, awaiting their fate.

Liam O’Flaherty’s Ireland (2001), authored by Peter Costello, includes biographical details about O’Flaherty, excerpts from his literary works, and photographs from his era.

The Letters of Liam O’Flaherty (1996), edited by A. A. Kelly, offers additional insights into the writer’s life and thoughts.

O’Henry’s ‘‘The Gift of the Magi’’ (1905), Guy de Maupassant’s ‘‘The Necklace’’ (1884), and Saki’s ‘‘The Open Window’’ (1914) all present variations—both comedic and tragic—on the kind of twist ending that O’Flaherty employs.

James Joyce’s Dubliners (1914), a collection of short stories focusing on the lives of Dublin's residents, features the renowned story ‘‘The Dead.’’

Sean O’Casey’s play Juno and the Paycock, possibly his most famous work, was first performed in 1924 and is set during the Irish Civil War. This tragicomedy follows a family’s struggles amid the fight for Irish independence.

Sean O’Faolain’s debut collection of short stories, Midsummer Night Madness and Other Stories, was initially published in 1932.