• "What Maisie Knew" in The Chap-Book 6–7:
  • "What Maisie Knew" in The Chap-Book 6 (15 January 1897): 214–219.
  • "What Maisie Knew" in The Chap-Book 6 (1 February 1897): 253–260.
  • "What Maisie Knew" in The Chap-Book 6 (15 February 1897): 289–295.
  • "What Maisie Knew" in The Chap-Book 6 (1 March 1897): 326–331.
  • "What Maisie Knew" in The Chap-Book 6 (15 March 1897): 361–367.
  • "What Maisie Knew" in The Chap-Book 6 (1 April 1897): 395–401.
  • "What Maisie Knew" in The Chap-Book 6 (15 April 1897): 428–434.
  • "What Maisie Knew" in The Chap-Book 6 (1 May 1897): 478–485.
  • "What Maisie Knew" in The Chap-Book 7 (15 May 1897): 16–25.
  • "What Maisie Knew" in The Chap-Book 7 (1 June 1897): 57–62.
  • "What Maisie Knew" in The Chap-Book 7 (15 June 1897): 90–97.
  • "What Maisie Knew" in The Chap-Book 7 (1 July 1897): 125–131.
  • "What Maisie Knew" in The Chap-Book 7 (15 July 1897): 162–168.
  • "What Maisie Knew" in The Chap-Book 7 (1 August 1897): 198–209.

  — American magazine edition

• "What Maisie Knew" in The New Review 16–17:
  • "What Maisie Knew" in The New Review 16 (February 1897): 113–128.
  • "What Maisie Knew" in The New Review 16 (March 1897): 241–263.
  • "What Maisie Knew" in The New Review 16 (April 1897): 352–372.
  • "What Maisie Knew" in The New Review 16 (May 1897): 469–490.
  • "What Maisie Knew" in The New Review 16 (June 1897): 581–602.
  • "What Maisie Knew" in The New Review 17 (July 1897): 1–20.
  • "What Maisie Knew" in The New Review 17 (August 1897): 216–240.
  • "What Maisie Knew" in The New Review 17 (September 1897): 334–356.

  — English magazine edition; revised and abridged.

• What Maisie Knew (London: William Heinemann, 1897)

  — First English book edition. First impression September 1897, second impression October 1897, third impression December 1897

• What Maisie Knew (Chicago & New York: Herbert S. Stone & Co., 1897)

  — First American book edition, published October 1897

• "What Maisie Knew" in The Novels and Tales of Henry James 11: 1–363.

  — The "New York Edition"; revised for publication by James; this is the last revised version published in James' lifetime.

• "What Maisie Knew" in What Maisie Knew, In the Cage, The Pupil (London: Macmillan & Co., 1922): 1–323.

  — Volume 16 of The Novels and Stories of Henry James, the first posthumous collection of James' works; uses the "New York Edition" text.

• What Maisie Knew (Unsourced edition)

  —Unsourced, but the text follows that of the "New York Edition"

Translation into Danish:

• Hvad Barnet Vidste, København & Kristiania: Martins Forlag, 1919.

  — Translated by Christian Mathæus Hansen.

Translation into French:

• Ce que savait Maisie, Paris: Robert Laffont, 1947

  — Translated by Margueritte Yourcenar.

Translation into German:

• Maisie, Köln & Berlin: Kiepenheuer & Witsch, 1955.

  — Translated by Hans Hennecke.