30 Rockefeller Plaza. RCA Building. Interior, NBC Studios.
30 Rockefeller Plaza. RCA Building. Interior, NBC Studios
[30 Rockefeller Plaza. RCA Building. Interior, N.B.C. studio.]
30 Rockefeller Plaza. RCA Building. Interior, travel agency
30 Rockefeller Plaza. Interior, NBC main studio, Cities Service Hour
30 Rockefeller Plaza. RCA Building. Elevator machinery
30 Rockefeller Plaza. RCA Building. Interior, N.B.C. studio with band