Indian Institute of Technology, Madras. Central Library

• Union catalogue of periodical holdings available in the libraries of Indian Institute of Technology at Madras, Kharagpur, Kanpur, Delhi, Bombay, and at Indian Institute of Science, Bangalore
• Union catalogue of serial holdings available in the libraries of Indian Institutes of Technology at Madras, Kharagpur, Kanpur, Delhi, Bombay and at Indian Institute of Science, Bangalore