Here'a a library ghost from the University of Maryland, College Park yearbook of 1976.  Whether for payback or peace of mind, see How to Hoodoo Hack a Yearbook.

"The absolute proof of life after death."  "Photograph of a materialized spirit face in formation, showing the unused viscous stuff called sctoplasm that issued from the medum 'Eva' to create these ghostlike forms.  Photographed by Dr. Geley of Paris."  From Hearst's International, 1921.

From Fliegende Blätter, 1925.

From Die Muskete, 1914.

From Susquehanna's 1907 yearbook.

"Oh, oh!  He's seen us!  He's here!  Hide your hands!"  From The Lost Valley and Other Stories by Algernon Blackwood and illustrated by W. Graham Robertson, 1914.

In the ghost-hunting community, this mournful spirit is known as "Our Lady of the Spoons of Damocles."  From UNC Chapel Hill's 1970 yearbook.

A ghost toast.  From Le Courrier Français, 1889.

“Haunted houses were the quietest of all, until the ghost walked.“ —Gene Wolfe, Nightshade of the Long Sun

These deliberate distortions (obviously ghosts) appear in Virginia Commonwealth University's 1970 yearbook.

A chapter title from The Ghost World by Thomas Firminger Thiselton Dyer, 1898.

She thinks the head coming up through the floor is her father's spirit.  From The Devil's Bride by Milton H. Stine, 1910.