Clyde Tombaugh (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Clyde Tombaugh" in Simple English language version.

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Global rank Simple English rank
6th place
4th place
1,925th place
2,012th place

achievement.org

archive.org

  • Tombaugh, Clyde; Patrick Moore (1980). Out of the Darkness: The Planet Pluto. Harrisburg, Pennsylvania: Stackpole Books. pp. 17. ISBN 978-0-8117-1163-0. "I was born on a farm near Streator, Illinois, on 4 February 1906."