Besser, H. <br/><br/>
Perseverance :  how to develop it / 
H. Besser ; translated by Francis Medhurst 
 - New York :  Funk & Wagnalls,  1916 
 - viii, 165 p. ;  17 cm. 
 - Mental efficiency series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conduct of life
<br/><br/><label>Dewey Class. No.: </label>179