Official publications released by the U.S. Census Bureau have a report number and often list the lead author(s).
Household Income in 1967 by Selected Characteristics of the Head
This report presents statistics on number of households by total money income in 1967, by age, education, sex, race, employment status, and occupation.
Income and Educational Attainment of Men in the U.S., 1956 to 1966
This report presents educational attainment and income data for selected years, included are annual mean income and estimates of expected lifetime income.
Voting and Registration in the Election of November 1966
This report presents some characteristics of persons of voting age and persons who registered to vote.
Family Income Advances, Poverty Reduced in 1967 (Preliminary data)
Preliminary data show families total money income in 1967, by sex and race, and other selected characteristics.
Recent Trends in Social and Economic Conditions of Negroes in the U.S.
This report provides statistical data on the social and economic conditions of the Negro population of the United States.
1960 Census of Population: Selected Ethnic Groups, 5 Southwest States
This report presents social and economic characteristics of the major ethnic groups of Arizona, California, Colorado, New Mexico, and Texas.