Vincent, John Martin,  1857-1939 <br/><br/>
Aids to historical research  / 
by John Martin Vincent 
 - Nre York :  D. Appleton-Centure,  1934 
 - vii, 173 p. :  19 cm. 
 - The centry historical series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Historiography