Calder, Nigel <br/><br/>
Comets : speculation and discovery 
Nigel Calder 
 - New York  Dover Publications  1994 
 - 160 p. : ill. (some col.), map ; 23 cm 
<br/><br/> Originally published: The comet is coming. Harmondsworth, Middlesex, England ; New York, N.Y., U.S.A. : Penguin Books, 1992, c1980. Includes bibliographical references (p. 152-156) and index 
<br/><br/><label>ISBN: </label>9780486278797 
<br/><br/><label>ISSN: </label>93038506 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comets<br/>Halley, Edmond, 1656-1742<br/>Halley's comet
<br/><br/><label>Dewey Class. No.: </label>523.6 CAL