Hirsch, S. Carl. <br/><br/>
Mapmakers of America :  from the age of discovery to the space era / 
S. Carl Hirsch. 
 - 1st  ed. 
 - New York :  Viking Press,  1970. 
 - 176  p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cartography.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>America--Discovery and exploration.