Robert Ballard
[ar] روبرت بالارد
[arz] روبرت بالارد
[az] Robert Balard
[ca] Robert Ballard
[cs] Robert D. Ballard
[da] Robert Ballard
[de] Robert Ballard (Unterwasserarchäologe)
[el] Ρόμπερτ Μπάλαρντ
[es] Robert Ballard
[et] Robert Ballard