Boyer, Carl B. <br/><br/>
The history of the calculus and its conceptual development  (The concepts of the calculus). 
With a foreword by Richard Courant. 
 - New York  Dover Publications  [1949] 
 - 346 p.  illus. 
<br/><br/> First published in 1949 under title: The concepts of the calculus. 
<br/><br/>Bibliography: p. [311]-335.