The American ephemeris and nautical almanac :  for the year 1979 / 
Naval Observatory, United States 
 - Washington, D.C. :  United States Government Printing Office,  1977 
 - vii, 571 p. :  ill. ;  26 cm. 
 - Annual 
<br/><br/> Description based on: 1860  Includes index 
<br/><br/>Vols. for 1865-1881 issued by: Bureau of Navigation. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nautical almanacs--United States--Periodicals
<br/><br/><label>Dewey Class. No.: </label>528.0973