"Globalization, Hindi Cinema, and Bollywood" in Oxford Bibliographies Online
A subsection of Gohar Siddiqui's annotated bibliography on Popular Hindi Cinema
Bollywood Film Musicals
an article by Alison Arnold from The International Encyclopedia of Dance. Includes sections on Song and Dance, Song Creators, Film Music and Dance in Indian Culture, and a good Bibliography.
Encyclopaedia of Hindi Cinema
2003. Gulzar; Govind Nihalani; Saibal Chatterjee. "This title begins with seven essays providing a historical analysis of Hindi films. It then carries on to provide insight into the Indian film industry's internal dynamics. It also includes special contributions from prominent figures in the industry and interviews with Hindi film legends."
Encyclopedia of Indian Cinema
1999, Ashish Rajadhyaksha (Editor); Paul Willemen (Editor)
Websites
Critical Collective - Indian Cinema
Includes some documentaries on Indian Cinema including Bollywood films.