"Percentages are based on U.S. Census Bureau estimates of 1/1/69 and Catholic population figures for 1969."
"Base map prepared by the Bureau of Census."
Shows numerical range of Catholic population for each archdiocese and diocese, percentage of Catholics in the total population, provinces, archdiocesan and diocesan boundaries and See cities.
Includes 4 insets and table "Catholic percentage of total population by dioceses."