From Wee Wisdom, 1953.

From Wee Wisdom, 1927.

From From Sun to Earth by Craig, Condry & Hill, 1940.

From Valparaiso University's 1949 yearbook.

"The sun will pierce the thickest cloud earth ever stretched."  From The Children's Newspaper, 1926.

From Don Diego, or The Pueblo Indian Uprising of 1680 by Albert Reagan, 1914.

From New World of Space by Le Corbusier, 1948.

From Mythologies of the Ancient World, edited by Samuel Noah Kramer.

From Heroes of Science by Cottler & Jaffe, 1931.

From Duke University's 1917 yearbook.

From The Creepie-Stool, an unusual "single-poet anthology for chidlren" by Elizabeth Fleming and illustrated by Hugh Chesterman, peppered with Scots words like "stravaiging."

From Wee Wisdom, 1939.

From Challenge of the Unknown by Edmund Hillary, 1958.

From The Sun by C. A. Young, 1895.

The smoky sun of the inner earth.  From The Smoky God, A Voyage to the Inner World by Willis George Emerson and illustrated by John A. Williams, 1908.

From The All-Seeing Eye, 1923.

From Up-To-Date Farming, 1908.

From The Second Normal Music Course by Tufts & Holt, 1897.

From El Dia, 1985.