William Wallace Campbell
[ar] وليام والاس كامبل
[ca] William Wallace Campbell
[ckb] ویلیام واڵاس کامپبێل
[cs] William Wallace Campbell
[de] William Wallace Campbell
[es] William Wallace Campbell
[eu] William Wallace Campbell
[fa] ویلیام والاس کمبل
[fi] William Wallace Campbell
[fr] William Wallace Campbell