The 2025 theme of Black History Month is African Americans and Labor.
The U.S Government Printing Office (now the U.S. Government Publishing Office) has provided information on African Americans and labor almost from its start in 1861. The Bureau of Labor Statistics site is among the most useful -- see, for instance, Labor force characteristics by race and ethnicity, 2023 -- but it is by no means the only source of data and analysis.
“Meeting of agricultural workers union. Bridgeton, New Jersey.” [between 1936 and 1938] Library of Congress, Prints & Photographs Division, FSA/OWI Collection, LC-DIG-fsa-8b30453 https://www.loc.gov/pictures/item/2017764454/
"American Life Histories: Manuscripts from the Federal Writers' Project, 1936 to 1940" includes 26 interviews with Black Americans about their work, including:
See also "Race Relations in the 1930s and 1940s", a Library of Congress online display.
Prologue (the journal of the National Archives) published a special issue on African American History in Summer 1997. Several articles dealt with Blacks and labor:
African Americans and the American Labor Movement
James Gilbert Cassedy
The Panama Canal: The African American Experience
Patrice C. Brown
Black Domestics During the Depression: Workers, Organizers, Social Commentators
Phyllis Palmer
Preserving the Legacy of the United States Colored Troops
Budge Weidman
Freedmen's Bureau Records: An Overview
Elaine C. Everly
From Slave Women to Free Women: The National Archives and Black Women's History in the Civil War Era
Noralee Frankel
Slave Emancipation Through the Prism of Archives Records
Joseph P. Reidy