Rgvedāntīla gūḍhavidyā : Kuruṇdavāḍa yajñāce veḷ̃ī dilel̃ī vyākhyānẽ - Kolhaṭakara, Yaśavanta Vyaṅkaṭeśa (SAMP early 20th-century Indian books project, 1935)
Articles on Rgveda mysticism.