Commentaries and liturgical works related to the father tantras, centered on a range of deities in six main groups (Toh 1784-2216)
Commentaries and liturgical works related to father tantras centered on Guhyasamaja (Toh 1784-1917)
Commentaries and liturgical works related to father tantras centered on Yamāri, Vajrabhairava, Mañjuśrīnāmasaṃgīti, Ekajaṭa, and Vajrapāṇi (Toh 1918-2216)