Official publications released by the U.S. Census Bureau have a report number and often list the lead author(s).
Income of Persons in the United States: 1955
Distribution of persons 14 years of age and over, by total money income, color, age, veteran status, occupation group and major industry group.
Family Income Up 6 Percent Since 1954 (Advance data)
Number of families by family income and distribution of families and unrelated individuals by total money income, for the United States, urban and rural.