Armstrong Sperry <br/><br/>
The Voyages of Christopher Columbus 
Armstrong Sperry 
 - 186 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biography/Exploration
<br/><br/><label>Subjects--Index Terms: </label>Biography/Exploration; Sperry 
<br/><br/><label>Dewey Class. No.: </label>910.92  / SPE