"It's so easy to get the habit."  From Kentucky Kernel, 1930.

From Zanoza, 1906.

The world beyond the looking glass: "I feel that this is right for me; I know that this is wrong."  From Boston College's 1998 yearbook, indexed as being published in 1913 over at Archive.org, thus proving that the book bends time.

From Lustige Blätter, 1908.

From The Wave, 1894.

The invention of the insta-print camera (with self-developing film) is credited to Edwin Land in 1948.  But you knew we'd find a precursor, and here's one from 1932.  From Nebelspalter, 1932.

From Millikin's 1932 yearbook.

The why's and how's of this highly occult phenomenon are explained very thoroughly in How to Hoodoo Hack a Yearbook. From Susquehanna's 1901 yearbook.

In the second line, we find "corse," the original spelling of "corpse."  The p, eventually added in honor of the Latin corpus, was initally silent.

From Peter Homunculus by Gilbert Cannan, 1909.

"The snowman's size did not matter" (Eric Jorgensen, Frames of Reference).  From Milligan's 2004 yearbook. 

From The Judge, 1915.

From La Caricature, 1835.  See How to Be Your Own Cat.

From Indiana University's 1919 yearbook.

The eagle of blackness.  From North Carolina Central's 1972 yearbook.

"Eagles soar through air."  News we can believe in, from Clarion Call, 1969.