1980 census of population and housing.

"PHC80-4-28."

1980 census of population and housing.

"PHC80-4-32."

1980 census of population and housing.

"PHC80-4-34."

1980 census of population and housing.

"PHC80-4-45."

1980 census of population and housing.

"PHC80-4-37."

1990 census of population and housing.

Chiefly tables.

1990 census of population and housing.

Chiefly tables.

1990 census of population and housing.

Chiefly tables.