From the University of Arkansas, Fayetteville's 1955 yearbook.

From The Old Line, 1937.

At first glance, we assumed this was a spirit double rising from a body, given the context.  Illustration by C. B. Falls.  From "Stranger Than Fiction" by Arthur Conan Doyle, in Collier's, 1915.

Proof that one's astral twin may not mirror one's mood.  From York College of Pennsylvania's 1971 yearbook.

From the rare Beyond the Body by Benjamin Walker.

Either her reflection has escaped from the mirror or her light body is happier than she is.  We, too, have smiled for a mirror but weren't actually feeling it.  From Peace College's 1972 yearbook.

From Together, 1970.

From Popular Mechanics, 1942.

From Memphis State's 1964 yearbook.

Meeting oneself.  From Purple Parrot, 1925.

From Purple Parrot, 1941.

His official yearbook portrait, with spirit double.  From Earlham's 1977 yearbook.

I'll have what astral twin she's having.  From Dark Shadows episode 1082.

"My other self had disappeared in the flash."  From The End of Dreams by Wood Levette Wilson and illustrated by A. G. Learned, 1909.

"Loosley [sic] surprised by a hologram of himself."  From UFO Newsclipping Service, 1980.

Posing with one's "light body" spirit double.  From Washington College's 1976 yearbook.

A miniature spirit double from State Teacher's College, Farmville, Va.'s 1934 yearbook.

From Spellbound, 1977.  (Courtesy of Archive.org.)

Encountering the shadow self.  "In a world intent upon the unrealities we must become aware of the realities."  From Catawba's 1969 yearbook.

It's all too easy to cry "Fake!"  We ran this through our custom Uncanny Detector app, and it is indeed a confluence of two universes in which a man meets a taller version of himself.  From Washington College's 1976 yearbook.