English
- 8 Letters of Prophet Muhammad (peace be upon him) to kings and emperors
Translator: Unknown
French (français)
- Lettre à César roi de Rome
A Letter of Prophet Muhammad (peace be upon him) to the Caesar of Rome
Translator: Unknown
Urdu (اردو)
- Risalat-e-Nabvi
رسالات نبوی۔ نبی پاک صلی اللہ علیہ وسلم کے مکاتیب و رسائل
Compiler and Translator: M.A. Raheem Khan
Internet Archive: Million Books Project