Upanayana of women
King of Jaipur, Mahārājā Savāī Jayasiṃha 17th-18th centuries CE, commissioned a text titled ‘Vrātyatāśuddhisaṅgraha’. Source: TW
Along with discussing Vrātya men, it also mentions that Brāhmaṇa, Kṣatriya & Vaiśya women are eligible for Upanayana.