- ^ a b ISFDB publishing history
- ^ National Library of Australia
- ^ McCaffrey, Anne (1977), Get Off the Unicorn, p. Introduction, ISBN 0-552-10965-7, retrieved 2011-03-20
- ^ Index to Science Fiction Anthologies and Collections
- ^ McCaffrey, Anne (1977), Get Off the Unicorn, p. 278, ISBN 0-552-10965-7
- ^ Gunton, Sharon, ed. (1981). Contemporary Literary Criticism. Gale Research Company. p. 283. ISBN 9780810301078. Retrieved 15 September 2015.
- ^ Cowart, David; Wymer, Thomas L. (1981). Twentieth-century American Science-fiction Writers, Part 2. Gale Research Company. p. 18. ISBN 9780810309180. Retrieved 15 September 2015.
- ^ Robin Roberts, Anne McCaffrey: A Life with Dragons, University Press of Mississippi, 2007, p.147
- ^ "The answer lies in the spirit", Glasgow Herald, November 27, 1982
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