The haziest ghost, with an elongated arm, is on the far left.  From Duke's 1974 yearbook.

It's disconcerting to see through one's hand, unless via X-Ray Spex.  From Ethos, 1963.

"Mine's in the wash."  From The Old Line, 1950.  See Of Feeding & Caring For Sheet Ghosts.

May Murphy's ghosts be laid to rest in Murphy beds.  From Wizardry IV: The Return of Werdna Handbook.

From The Ghost of Honeymoon Creek by Raymond Bial.

The ghost of a soldier who never made deacon.  From Lighted Pathway, 1970.

From Ghosts and Goblins by Wilhelmina Harper.

A ghost from Emerson's 1980 yearbook.

From The Link, 1952.

From Le Charivari, 1844.

From the apparently rare Southern Ghosts by Nancy Roberts.

From Centenary's 1968 yearbook.

From Wizardry III: Legacy of Llylgamyn, The Third Scenario handbook.

From Make a Witch, Make a Goblin by Arnold Dobrin.

From Wizardry Monsters Manual.

"Directly at his feet a tall, stately creature seemed to rise as though coming out of the very floor. It was a man, although dressed in a long robe of dazzling whiteness and glittering from a thousand flaming points."  From Pluck and Luck, 1919.