Sears, Robert, ed. A Treasury of Knowledge, and Cyclopædia of History, Science and Art; Containing A Great Amount of Interesting and Useful Information – Astronomy, Travels in the Holy Land, Discovery of America, Early Settlements of the Country, Biographies of Eminent Men, Incidents of Travel, Discoveries in Science, Curiosities of Art, and a Choice Selection of Miscellanies, etc. Edited by Robert Sears. Illustrated with Numerous Engravings. New York: Robert Sears; J. A. Redfield; Boston: F. S. Saxton, M DCCC XLIX [c1849]. 512 p.