John Barber (engineer)
[da] John Barber
[de] John Barber (Erfinder)
[es] John Barber
[gl] John Barber
[it] John Barber (ingegnere)
[mg] John Barber
[nn] John Barber
[nb] John Barber
[pt] John Barber (engenheiro)
[ru] Барбер, Джон (инженер)