Number of negro persons by county in the United States
name: label: Collection Collector
content: McCormick, Mack
setName: label: See more items in
content: Robert "Mack" McCormick Collection
label: See more items in
content: Robert "Mack" McCormick Collection / Series 6: Texas Blues Research / 6.7: Maps / 6.7.3: Other Maps
unitdate: label: Date
content: 1970
container: label: Container
content: Map-folder 3
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials