Rajyavardhana
Prabhakaravardhana
Psushyabhui
Gruhavarma
Harshavardhana
Devagupta
Rajyapala
Itsing
Fahien
Hiuen Tsang
All the above
Dignaga
Aryadeva
Vasubandu
Harshacharita
Kadambari
Ratnavali
Harshacharita and Kadambari