30 Rockefeller Plaza. Interior, NBC main studio, Cities Service Hour
30 Rockefeller Plaza. RCA Building. Interior, NBC Studios
[30 Rockefeller Plaza. RCA Building. Interior, N.B.C. studio.]
30 Rockefeller Plaza. RCA Building. Interior, NBC Studios.
30 Rockefeller Plaza. RCA Building. Interior, N.B.C. studio recording radio show
30 Rockefeller Plaza. RCA Building. Interior, N.B.C. studio with band