Hurwitz, Matt, Chris Knowles (2008). The Complete X-Files. Insight Editions. ISBN1-933784-72-5. Pemeliharaan CS1: Banyak nama: authors list (link)
Meisler, Andy (1998), I Want to Believe: The Official Guide to the X-Files, Vol. 3, Perennial Currents, ISBN0-06-105386-4
Shearman, Robert; Pearson, Lars (2009). Wanting to Believe: A Critical Guide to The X-Files, Millennium & The Lone Gunmen. Mad Norwegian Press. ISBN097594469X.