found: Vendetta castle, April 1995:t.p. (Susan Marino)
found: Fantastic fiction web site, viewed 29 November 2017(Julie Ellis, 1933-2006, aka Susan Marino, Susan Marvin)
found: Dictionary of literary pseudonyms, viewed 27 November 2017(Ellis, Julie, 1933- U.S. romantic novelist; also writes under Susan Marino, 'Vendetta castle' and Susan Richard 'Intruder at Maison Benedict', 'Chateau Saxony')
found: Wikipedia, viewed October 1, 2020(Julie Ellis ; born 1933 in Columbus, Georgia, died 2006 ; was an early lesbian pulp fiction author of the 1960s ; later in life published historical and romance fiction under her own name ; published under the pen-names: Joan Ellis, Jill Monte, Linda Michaels, Susan Richard) - https://en.wikipedia.org/wiki/Julie_Ellis found: The Lesbian Pulp Fiction Collection at Mount Saint Vincent University, viewed October 1, 2020(Ellis, Julie ; died February 2006 ; published under the pseudonyms: Joan Ellis, Linda Michaels, Jill Monte, Susan Richards, Susan Marino, Allison Lord, Jeffrey Lord) - https://msvulpf.omeka.net/items/show/838
