McAvennie, Michael; Dolan, Hannah, ed. (2010). «1970s». DC Comics Year By Year A Visual Chronicle. Dorling Kindersley. p. 165. ISBN978-0-7566-6742-9. «Writer/artist Mike Grell elevated the sword-and-sorcery genre to new heights with the Warlord.»
«The Warlord». "The last two years of Mike Grell's scripts were ghost-written by Sharon (Wright) Grell, as revealed in the letter column of a later issue."
Daudt, Ron E. (2010). «Jack C. Harris Interview (Pt. 2)». TheSilverLantern.com. Archivado desde el original el 21 de marzo de 2012. Consultado el 20 de marzo de 2011. «the Warlord goes into a sort of parallel world where it's like a Dungeons and Dragons game and at the end of the story we pull back and the two guys playing Dungeons and Dragons are me and Grell. Which I thought was great and as we're playing the game this other guy comes in to scold us for not doing our work and it's Joe Orlando.»
wtv-zone.com
Daudt, Ron E. (2010). «Jack C. Harris Interview (Pt. 2)». TheSilverLantern.com. Archivado desde el original el 21 de marzo de 2012. Consultado el 20 de marzo de 2011. «the Warlord goes into a sort of parallel world where it's like a Dungeons and Dragons game and at the end of the story we pull back and the two guys playing Dungeons and Dragons are me and Grell. Which I thought was great and as we're playing the game this other guy comes in to scold us for not doing our work and it's Joe Orlando.»
