Aliberto Caforio
Adam Feather
Andrew Fraknoi
Ian Ridpath
Nicole Carlisle
Dinah L. Moché
Christopher Seddon
David P. Todd
Charles H. Grace
Marc L. Kutner
David Peck Todd
American Heritage Dictionary
D. N. Mallik
Norman Lockyer
Samuel Gamble Bayne
Robert Kalley Miller
Herbert A. Howe
Joseph Norman Lockyer
Dietrich Lemke
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