Yoga Chudamani Upanishad: treatise on Kundalini yoga; original Sanskrit text with transliteration, translation and commentary = Crown jewel of yoga - Niranjanananda Saraswati, Svāmī (Yoga Publications Trust, 2003)
Includes bibliographical references (p. 313-314) - Text of Yogacūḍāmaṇyupaniṣad in Sanskrit (Devanagari and roman); word-by-word meaning, translation, commentary, and introd. in English