Page 2: Stone Head
The sculpture used as a weapon by the zombie in panels 5-7 may remind Dr. Who fans of the Melkur from the 1981 story The Keeper of Traken.
Page 4: Genuine Shoggoth
A shoggoth is an alien creature from the stories of H.P. Lovecraft (1890-1937). In his classic story At The Mountains Of Madness, Lovecraft describes the Shoggoth as a "plastic column of fetid black iridescence" the size of a subway train that consumes everything in its path and utters the haunting cry "Tekeli-li!".