Columbia subject headings:
Baritones (Singers)--Biography.
Pons, Juan--Homes and haunts--New York (State)--New York.
Harvard subject headings:
Baritones (Singers)--Biography.
Pons, Juan--Homes and haunts--New York (State)--New York.
Princeton subject headings:
Baritones (Singers)--Biography.
Pons, Juan--Homes and haunts--New York (State)--New York.