From Kenyon College's 1926 yearbook.

From Hampden-Sydney College's 1920 yearbook.

This reminds us of that bizarre music video with ghost candles.  From Lenoir Rhyne's 1965 yearbook.

From Scribner's 1871.

Do not remove ghost from pocket.  From the rare The Discontented Ghost by Scott Corbett, 1978.

A ghost stuck to the wall.  From the Dungeon Master strategy handbook.

From Strangely Enough! by C. B. Colby.

If people tossed lightning, deadly poison, and silence at me, I'd probably look that way, too.  Wait -- I already do look that way.  From the Wizardry: Bane Of The Cosmic Forge Handbook.

Only three names are mentioned in the caption -- a blatant example of how ghosts are considered non-entities in our culture.  From the University of Toledo's 1951 yearbook.

From Dark Shadows episode 15.

Here's a rare two-humped sheet ghost from Goshen College's 1986 yearbook.  See Of Feeding & Caring For Sheet Ghosts.

From Chatterbox, 1880.

From Der Bärenspiegel, 1939.

"Personally I am always conscious of the latent power of the human spirit ad of the direct intervention into human life of outside forces which mold and modify our actions."  Illustration by C. B. Falls.  From "Stranger Than Fiction" by Arthur Conan Doyle, in Collier's, 1915.

It might be the ghost of a room, if only rooms had ghosts.  From Dark Shadows episode 1976.

From Popular Mechanics, 1942.

When a ghost says you're entitled to $100,000 (nearly three million in today's dollars).  From Ade's Fables by George Ade, 1914.

From Scribner's 1871.