Johan Helmich Roman
[af] Johan Helmich Roman
[arz] چوهان هيلميتش رومان
[cs] Johan Helmich Roman
[da] Johan Helmich Roman
[de] Johan Helmich Roman
[fi] Johan Helmich Roman
[fr] Johan Helmich Roman
[gv] Johan Helmich Roman
[it] Johan Helmich Roman
[ja] ユーハン・ヘルミク・ルーマン