McDonald Observatory
[ar] مرصد ماكدونالد
[arz] مرصد ماكدونالد
[ca] Observatori McDonald
[de] McDonald-Observatorium
[eo] Observatorio McDonald
[es] Observatorio McDonald
[fa] رصدخانه مک‌دونالد
[fr] Observatoire McDonald
[id] Observatorium McDonald
[it] Osservatorio McDonald