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

"Say, Warden, I'm outside in de spirit world pickin' vi'lets--wot ye goin' to do about it?"  From Life, 1923.

From Lambuth's 1944 yearbook.

From an 1887 translation of the first children's picture book, The Orbis Pictus of John Amos Comenius (1657).

"Let your spirit soar."  From UFO Review, 1987.

From Fliegende Blätter, 1925.

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.

From Die Bühne, 1925.

Two spirit doubles but no body.  It's his official yearbook portrait, from Emerson's 1985 yearbook.

It's all too rare to see a student's mirror-world double appear in a yearbook.  It's even rarer for the student and his mirror-world double to be up a tree (not to mention wearing matching capes).  Due to the marvelous light flare, we'll never know what one of his faces looked like.  From Guilford's 1976 yearbook.

The devil watches a spirit leave the body of a living person.  From The Devil's Bride by Milton H. Stine, 1910.

"[Kasimir] Malevich described the material world as a reflected world, a finite form of reality, an image" (Evgenii︠a︡ Andreevna Petrova, Malevich: Artist and Theoretician).  From Greensboro's 1972 yearbook.

Reblog if you've ever met your dopplegänger.  From Le Courrier Français, 1889.

When parallel universes collide, one may find oneself back to back with oneself.  From Atlantic Christian's 1971 yearbook.

This is actually a phenomenon in old yearbooks.  Previously, we saw this man who met a taller form of himself on a lonely pathway, as well as this encounter with a spirit double of pure light.

Posing with her spirit double.  From Borderland Quarterly, 1896.

From Fliegende Blätter, 1935.

From The Science of the Sacraments by Charles Webster Leadbeater, 1920.