"A Gray Mystery": an illustration from an 1887 issue of Frank Leslie's Pleasant Hours magazine.

From Favourite English Poems and Poets, 1870.

"The enchanted steed," from The New Hyperion by Edward Strahan, 1875.

"I sailed over Will's head in a most supernatural manner," from The Decameron of a Hypnotist by Ernest Richard Suffling, 1898.

"A Ghost! good gracious!"  This example of "Keep[ing] calm and carry[ing] on" appears in The Works of George John Whyte-Melville, 1898.

"Before me stood the figure of a monk," from The Decameron of a Hypnotist by Ernest Richard Suffling, 1898.

"You must have plenty of ghosts in Greek and Latin, doctor."  From Gryll Grange by Thomas Love Peacock and illustrated by Frederick Henry Townsend, 1896.

From the Works of Charles Dickens, New Illustrated Library Edition.

Here's a precursor to the Ghostbusters theme (with the catchphrase, "I ain't afraid of no ghost"), from Thrilling Life Stories for the Masses, 1892.  The caption reads, "'I'm not afraid of no old ghostesses,' said Harold."

From In the Forbidden Land by Arnold Henry Savage Landor, 1898.

From Leslie's Fate; and Hilda, or the Ghost of Erminstein by Andrew Charles Parker Haggard, 1892.

"The phantom fight," from France by Leitch Ritchie, 1872.

From Les Merveilles du Mont. St. Michel by Paul Henri Coretin Féval, 1880.

"He stood quite still and looked at me," from Ghostly Tales by Wilhelmina Fitzclarence, Countess of Munster, 1896.

From The Man in the Moon, Volume IV.

From Shadows and Other Poems by E. Samuels and illustrated by W. Fitzgerald, 1898.

An illustration from The Haunted Major by Robert Marshall (1902).  The caption reads: "Hopped about in a grotesque and undignified ecstasy."

"I say, Rawhead," quoth one of the Ghosts, in a hollow, sepulchral tone, "you're cheating!"

An illustration from The Sociable Ghost by Olive Harper (1903).  The caption reads: "I won't play if such favoritism is shown."