Brihat Parashara Hora Shastra
चतुर्भिश्चामराख्यं च छत्रं पञ्चभिरेव च। षड्भिः कुण्डलयोगः स्यान्मुकुटाख्यं च सप्तभिः॥ ४४॥
Next is the Sapth Varg, in which these classifications continue in the same manner up to six combinations of good Vargas, the 7th additional Varg getting classified, as Mukut.
english translation
caturbhizcAmarAkhyaM ca chatraM paJcabhireva ca। SaDbhiH kuNDalayogaH syAnmukuTAkhyaM ca saptabhiH॥ 44॥
hk transliteration by Sanscript