Report on the census of Porto Rico, 1899 
Lt. Col. J. P. Sanger, inspector-general, director. Henry Gannett, Walter F. Willcox, Statistical experts. 
 - Washington  Govt. Print. Off.  1900. 
 - 417 p.  plates, maps, diagrs. 
<br/><br/> Published also in Spanish. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Census, 1st, 1899.