Percy John Heawood
[arz] پيرسى چوهن هياود
[ca] John Percy Heawood
[cs] Percy John Heawood
[de] Percy Heawood
[et] Percy John Heawood
[fr] Percy John Heawood
[ht] Percy John Heawood
[hu] Percy Heawood
[it] Percy Heawood
[ru] Хивуд, Перси Джон