Brihat Parashara Hora Shastra
वसुभिर्ब्रह्मलोकाख्यं नवभिः शक्रवाहनम्। दिग्भिः श्रीधामयोगः स्यादथ षोडशवर्गके॥ ४७॥
8 Brahmaloka, 9 Sakravahana and 10 Vargas - Shridham. In the Shodasha Varg scheme the combinations of Vargas go with designations thus
english translation
vasubhirbrahmalokAkhyaM navabhiH zakravAhanam। digbhiH zrIdhAmayogaH syAdatha SoDazavargake॥ 47॥
hk transliteration by Sanscript