Mahadeo, Kevin. «CCI: Batman The Return». Comic Book Resources, 23-07-2010. Arxivat de l'original el 25 July 2010. [Consulta: 26 octubre 2010]. Archive requires scrolldown.
Rogers, Vaneta «Vivisecting The Multiversity Guidebook». Newsarama, 29-01-2015. «With this week's release of The Multiversity Guidebook, Grant Morrison has supplemented [their] already mind-bending epic story with a map to the DC Multiverse.»
Rogers, Vaneta «Vivisecting Multiversity: Doug Mahnke on Ultra Comics». Newsarama, 27-03-2015. «In this week's world-hopping Ultra Comics chapter of Grant Morrison's The Multiversity, artist Doug Mahnke helped the writer define Earth 33 – the supposed "real" world, yet one that's clearly re-focused through the writer's mind-bending lens.»
Wolk, Douglas (17 December 2003). «Please, Sir, I Want Some Moore – The lazy British genius who transformed American comics». Slate. Arxivat de l'original el 3 December 2013. «[Alan Moore's] commercial breakthrough came in 1983, when he took over Saga of the Swamp Thing...his success led directly to American comics' 'British invasion' of writers, notably Neil Gaiman (The Sandman), Grant Morrison, Garth Ennis, and Warren Ellis, all of whom have made much of his castoffs.»
Deppey, Dirk «Còpia arxivada». The Comics Journal [Seattle, Washington], 262, 8-2004. Arxivat de l'original el 24 de febrer 2012 [Consulta: 31 maig 2010]. «While longtime readers of this magazine have heard Morrison's name on any number of occasions, it's worth noting that the renowned writer was anything but a surefire guarantor of increased sales prior to his run on New X-Men.»
Mitovich, Matt Webb. «Titans Recap: When Beast Boy Met [Spoiler…. — What Was Your Favorite Cameo, in the Flesh or Otherwise?]» (en anglès americà). TVLine, 20-04-2023. [Consulta: 13 juny 2023].
Wolk, Douglas (17 December 2003). «Please, Sir, I Want Some Moore – The lazy British genius who transformed American comics». Slate. Arxivat de l'original el 3 December 2013. «[Alan Moore's] commercial breakthrough came in 1983, when he took over Saga of the Swamp Thing...his success led directly to American comics' 'British invasion' of writers, notably Neil Gaiman (The Sandman), Grant Morrison, Garth Ennis, and Warren Ellis, all of whom have made much of his castoffs.»
«Biography». Grant Morrison – The Official Website. Arxivat de l'original el 24 December 2013. [Consulta: 16 agost 2013].
Deppey, Dirk «Còpia arxivada». The Comics Journal [Seattle, Washington], 262, 8-2004. Arxivat de l'original el 24 de febrer 2012 [Consulta: 31 maig 2010]. «While longtime readers of this magazine have heard Morrison's name on any number of occasions, it's worth noting that the renowned writer was anything but a surefire guarantor of increased sales prior to his run on New X-Men.»
Mahadeo, Kevin. «CCI: Batman The Return». Comic Book Resources, 23-07-2010. Arxivat de l'original el 25 July 2010. [Consulta: 26 octubre 2010]. Archive requires scrolldown.