Ruqayyah Bint al-Husain (AS)  is mentioned in many books in Arabic e.g. Amaali Ibn Babawayh,

Al-Lohoof by Ibn Tawoos,

E'lam al-Wara by al-Tabrasi,

Najm al-Deen al- Tabarsi in full book named: Ruqayyah Bint al-Husain published by Daleel Ma ,

 Ibn Funduq al-Bayhaqi in Lubab al-Ansaab,

al-Muntakhab by Fakhrudin al-Turaihi ,

Kashif al-Ghummah by al-Erbili,

Sharh al-Akhbaar by al-Qadhi al-No'man,

Yanabee' al- Mawaddah by al-Qundoozi al-Hanafi,  

A'yaan al-Shia by Mohsin al- Ameen,

Biharul Anwaar by al-Majlisi,

 Ali al-Khalkhali in full book named as Ruqayyah Bint al-Husain  published in Qum by Maktabat al-Husain,

Noor al- Absaar by al-Shablanji,

and al-Minan by al-Sha'rani al-Shafi'ee.

'Wassalam.