Differences between incomes of white and Negro families by region, 1969 and 1959.
Series: Current population reports -- no. 35
Publisher: Bureau of the Census : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1971
Place of publication: Washington
Language: eng
Subjects: African Americans -- Economic conditions -- Statistics.; Income -- United States -- Statistics.
Notes: Caption title.

"March 10, 1971."