Source: Valuable Assemblage Chiefly of Italian Pictures by Christie, Manson & Woods, 1815.
Nightmare Materiel
Source: Materials for Permanent Painting by Maximilian Toch, 1911.
The Trouble I Dream of
Source: Help! Help! Help! : How Needless to Sink into Despair When Help is Right at Hand!, 1893.
Locus of Dream Infection
Source: The Human Mouth as a Focus of Infection by Willoughby Dayton Miller, 1891.