It covers a massive pantheon of deities, including Avalokiteshvara, Tara, Manjushri, and the wrathful protectors, offering a comprehensive look at the iconography of Indian Tantric Buddhism before its decline in India.
Given the age of the text (early 20th-century print), the original in most parts of the world. However, specific English translations made after 1964 may still be under copyright. sadhanamala english pdf link
Sadhanamala Vol. 1 : Bhattacharyya, Benoytosh, Ed. : Free Download, Borrow, and Streaming : Internet Archive. Internet Archive It covers a massive pantheon of deities, including