Ramayana
कुशान्तर्धानदत्तेषु मृगचर्मयुतेषु च । यथार्हमुपविष्टास्ते आसनेष्वृषिपुङ्गवाः ॥ 7-1-15 ॥
The bull among sages seated themselves on those seats spread with kusha grass and covered with deer skin, each according to their rank.
english translation