Ping-Ti HO <br/><br/>
Studies the population of china, 1368-1953 
Ping-Ti HO 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography
<br/><br/><label>Dewey Class. No.: </label>Y:5.41.N3<--H68