Contained within the 4th Edition (1974) of the Atlas of Canada is a set of three maps. The first map shows per capita personal income by census division for 1966 and is accompanied by a supplementary text and chart showing, by province, the percentage personal income of total national income and per capita personal income. The second map shows the total personal income by census division for 1966 as a percentage of the total national income. The third map shows the percentage of the total income by census division that is derived from sources other than employment (i.e. rental income, investment income, alimony received etc.) for 1966. The maps are accompanied by a chart expressing the structure of salaries and wages for each province and territory.