10 titles- Collected Stories by Fitz-James O'Brien (New York: Boni and Liveright, 1925) [coll: hb/]
- The Diamond Lens and Other Stories (New York: Charles Scribner's Sons, 1885) [coll: hb/]
- The Diamond Lens and Other Stories (New York: William Edwin Rudge, 1932) [coll: introduction by Gilbert Seldes (1893-1970): hb/]
- The Diamond Lens (Philadelphia, Pennsylvania: Henry Altemus Co, 1909) [story: chap: hb/]
- The Fantastic Tales of Fitz-James O'Brien (London: John Calder, 1977) [coll: hb/]
- Poems and Stories (Boston, Massachusetts: James R Osgood and Company, 1881) [coll: edited by William Winter: hb/]
- The Supernatural Tales of Fitz-James O'Brien, Volume One: Macabre Tales (New York: Doubleday, 1988) [coll: edited by Jessica Amanda Salmonson (1950- ): hb/Candy Jernigan]
- The Supernatural Tales of Fitz-James O'Brien, Volume Two: Dream Stories and Fantasies (New York: Doubleday, 1988) [coll: edited by Jessica Amanda Salmonson (1950- ): hb/Candy Jernigan]
- What Was It? and Other Stories (London: Ward and Downey, 1889) [coll: published as a shilling paperback edition: pb/]
- The Wondersmith and Others (Ashcroft, British Columbia: Ash-Tree Press, 2008) [omni of the above two: hb/Jason Zerrillo]