1957, William F. Friedman, Elizabeth S. Friedman, The Shakespearean Ciphers Examined[1], Reprint edition, Cambridge Univ Press, published 2011, →ISBN, page 57:
By anagramming letters and altering the order of words, he produces two quatrains, which we content merely to quote as examples of gadzookery.
2002, David Langford, The Complete Critical Assembly[2], Wildside Press LLC, →ISBN, page 137:
Her spare prose and dialogue give a period flavour without the dread excesses of gadzookery.
2004, Peter Hunt, International Companion Encyclopedia of Children's Literature[3], Routledge, →ISBN, page 421:
The cladding is often gadzookery but the story motifs […]
2009, Helen Hackett, Shakespeare and Elizabeth: The Meeting of Two Myths[4], Princeton Univ. Press, →ISBN, page 60:
[…] inspiring a whole genre of pseudo-Elizabethan fiction, sometimes described as "tushery" or "gadzookery."
2012, Dr. Catherine Butler, Hallie O'Donovan, quoting Geoffrey Trease, Reading History in Children's Books[5], Palgrave Macmillan, →ISBN, page 155:
[…] a middle course, avoiding both Gadzookery and modern colloquialism […]