From Judy, Or The London Serio-Comic Journal, 1872.

"Loraine fancied she could see the Little People of Sleep."  From Loraine and the Little People by Elizabeth Gordon and illustrated by M. T. Ross, 1915.

"She had a delightful visit from the Dream People."  From Loraine and the Little People by Elizabeth Gordon and illustrated by M. T. Ross, 1915.

Reblog if this is a typical night's sleep for you.  From Fliegende Blätter, 1934.

A journey in dreams -- "We began to move slowly northward."  From English Illustrated, 1900.

From Mocca, 1929.

Here's a precursor to The Cat in the Hat.  From The Harvard Lampoon, 1878.

From Judy, Or The London Serio-Comic Journal, 1880.

From Die Muskete, 1914.

From c. 1890.

"I dream — ice cream."  From c. 1890.

From The American Florist, 1894.

From Once a Week, 1874.