Columbia subject headings:
African American business enterprises--Illinois--Chicago.
African Americans--Civil rights--Illinois--Chicago--History--20th century.
African Americans--Illinois--Chicago--Economic conditions--20th century.
Chicago (Ill.)--Race relations--History--20th century.
Civil rights movements--Illinois--Chicago--History--20th century.
Civil rights workers--Illinois--Chicago--Biography.
Deppe, Martin L.
Grocery trade--Illinois--Chicago--History--20th century.
Methodist Church--Illinois--Chicago--Clergy--Biography.
Operation Breadbasket (U.S.)--History.
Harvard subject headings:
African American business enterprises--Illinois--Chicago.
African Americans--Civil rights--Illinois--Chicago--History--20th century.
African Americans--Illinois--Chicago--Economic conditions--20th century.
Biographies
Chicago (Ill.)--Race relations--History--20th century.
Civil rights movements--Illinois--Chicago--History--20th century.
Civil rights workers--Illinois--Chicago--Biography.
Deppe, Martin L.
Grocery trade--Illinois--Chicago--History--20th century.
Methodist Church--Clergy--Illinois--Chicago--Biography.
Methodist Church--Illinois--Chicago--Clergy--Biography.
Operation Breadbasket (U.S.)--History.
Princeton subject headings:
African American business enterprises--Illinois--Chicago.
African Americans--Civil rights--Illinois--Chicago--History--20th century.
African Americans--Illinois--Chicago--Economic conditions--20th century.
Chicago (Ill.)--Race relations--History--20th century.
Civil rights movements--Illinois--Chicago--History--20th century.
Civil rights workers--Illinois--Chicago--Biography.
Deppe, Martin L.
Grocery trade--Illinois--Chicago--History--20th century.
Methodist Church--Illinois--Chicago--Clergy--Biography.
Operation Breadbasket (U.S.)--History.