Columbia subject headings:
African American athletes--Pennsylvania--Pittsburgh--History.
African American baseball players--Pennsylvania--Pittsburgh--History.
Sports--Pennsylvania--Pittsburgh--History.
Harvard subject headings:
African American athletes--Pennsylvania--Pittsburgh--History.
African American baseball players--Pennsylvania--Pittsburgh--History.
Sports--Pennsylvania--Pittsburgh--History.
Princeton subject headings:
African American athletes--Pennsylvania--Pittsburgh--History.
African American baseball players--Pennsylvania--Pittsburgh--History.
Sports--Pennsylvania--Pittsburgh--History.