References

BhPr, 1, 8, 41.2
  rūkṣaṃ vayasyaṃ cakṣuṣyaṃ lekhanaṃ vātalaṃ jayet //Context
BhPr, 2, 3, 102.2
  rūkṣaṃ vayasyaṃ cakṣuṣyaṃ lekhanaṃ vātalaṃ jayet //Context
KaiNigh, 2, 25.1
  rūkṣaṃ vayasyaṃ cakṣuṣyaṃ lekhanaṃ vātalaṃ jayet /Context
RCint, 6, 83.2
  vayasyo gurucakṣuṣyaḥ saro medo'nilāpahaḥ /Context