Brihat Parashara Hora Shastra
रुद्रशूले यथैवायुर्मरणादि निरूप्यते। तथैव वर्णदस्यपि त्रिकोणे पापसंगमे॥ १७॥
Just, as the Rudra Grah in Sool Dasha is capable of causing evils, the above-mentioned Grahas related to Varnad‟s Kon be treated.
english translation
rudrazUle yathaivAyurmaraNAdi nirUpyate। tathaiva varNadasyapi trikoNe pApasaMgame॥ 17॥
hk transliteration by Sanscript