Morris Grout appears to be the only one working there other than Bud. Even though his hotel is the site of the Ghostbusters' first mission, he denies that ghosts ever existed at the Sedgewick.  Even when he actually sees ghosts, he dismisses it as a figment of his imagination.
- "The Encyclopedia of Animated Cartoons" by Jeff Lenburg (available on Spook Central's Real Ghostbusters Books page)
- Marsha Goodman (1988). Episode Call Sheet and SAG Report - "Out with Grout" (1988).
- Morris Grout (2009). Slimer!- "Cruisin' for a Bruisin'" (1988) (DVD ts. 13:11-13:12). Time Life Entertainment.
- Morris Grout (2009). Slimer!- "Cruisin' for a Bruisin'" (1988) (DVD ts. 13:13-13:19). Time Life Entertainment.