Population and vital statistics report. 

 - Port-of-Spain  Government Printing Office. 
<br/><br/> 1948 - 1961, 1963, 1965 - 1971, 1973 - 1980, 1982, 1984 - 1988, 1990, 1991, 1993 - 1999, 2000, 2004, 2007 
<br/><br/><label>Dewey Class. No.: </label>T75S58