Gregory, R.A.. <br/><br/>
Discovery or the Spirit and Service of Science /  Textual Documents 
R.A.Gregory. 
 - 1st ed. / 
 - New York :  Macmillan and co ,  1917. 
 - 339p. :  ill ;  20cm . 
<br/><br/><label>Subjects--Index Terms: </label>Service of Science History of Science G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>509  / G 862 D