From Ward Seminary's Iris yearbook, 1911.  See How to Hoodoo Hack a Yearbook.

From Phillips Academy's Pot Pourri yearbook, 1918.  See How to Hoodoo Hack a Yearbook.

From Hubert Ellio by Francis Davenant, 1866.

Here's a precursor to Haruli Murakami's Hard-Boiled Wonderland and the End of the World, with its library of unicorn skulls containing dreams.  "As it appears, though dead so long / Each scull is found to have a tongue."  From The English Dance of Death, from the Designs of Thomas Rowlandson, 1903.

"The statistical office of the nether region," from The War Cry, 1898.

From Butler University's Drift yearbook, 1917.  See How to Hoodoo Hack a Yearbook.

"The interruption to the duel," from The Skeleton Horseman or the Shadow of Death, 1866.

From Le Diable Amoureux, Roman Fantastique by Jacques Cazotte, 1845.

From The Skeleton Horseman or the Shadow of Death, 1866

From the University of Wisconsin's Badger yearbook, 1916.

"It was the skeleton!"  From The Skeleton Horseman or the Shadow of Death, 1866.

Here's an inverted ampersand from 1908.

From Fire and Air by Paul Hunter Dodge, 1914.

"It fell with a hollow crash — it was a skull!"  From The Boy Detective or the Crimes of London, 1866

From The Skeleton Horseman or the Shadow of Death, 1866.