"Effect of the Grouch Germ on persons who become infected by associated with the Chronic Grouch."  From The Medical Pickwick, 1920.

INSTRUCTIONS: Click for another expression.

This is what the "good stuff" looks like, from American Florist, 1908.

"The magic power of a few little lines."  From Popular Mechanics, 1922.

"Thou shalt not always wear a cross and ugly look especially in cold weather as the features may become frozen and crack.  Look pleasant occasionally."  From 1907.

From Deirdre by Thomas William Hazen Rolleston, 1897.

Smithsonian Institution's Bureau of American Ethnology "Bulletin," 1938.

From Judy, Or The London Serio-Comic Journal, 1877.

From Design in Landscape Gardening by Ralph Root, 1914.

Here's the transformation of a Freshman student into a dyspepsia tablet [and a precursor to the "This is your brain on drugs" ad campaign], from Hunter College's Wistarion yearbook, 1917.  Many such transformations are covered in How to Hoodoo Hack a Yearbook.

From a series of postcards, 1882.

From Mary Baldwin Seminary's Bluestocking yearbook, 1909.  See How to Hoodoo Hack a Yearbook.

From Psychological Monographs, 1921.

Faces expressing the human passions by J. Pass after Charles Le Brun, 1821.

From The World Displayed, or a Curious Collection of Voyages and Travels, 1795.