Ganzl, Kurt
The encycopedia of the musical theatre A-K
Schirmer Books, 1994
 Buku Referensi
The World encyclopedia of contemporary theatre : Europe
edited by Don Rubin, Peter Nagy and Philippe Rouyer
Routledge, 2001
 Buku Referensi
The Columbia-Viking desk encyclopedia : volume two, L-Z / compiled and edited at Columbia University by the staff of the Columbia Encyclopedia. William Bridgwater, editor-in-chief
compiled and edited at Columbia University by the staff of the Columbia Encyclopedia ; editor-in-chief, William Bridgwater
Viking Press, 1953
 Buku Referensi
The Columbia-Viking desk encyclopedia : volume two, L-Z / compiled and edited at Columbia University by the staff of the Columbia Encyclopedia. William Bridgwater, editor-in-chief
compiled and edited at Columbia University by the staff of the Columbia Encyclopedia ; editor-in-chief, William Bridgwater
Viking Press, 1960
 Buku Referensi
The World encyclopedia of contemporary theatre : Asia Facific
edited by Don Rubin, Chua Soo Pong, Minoru Tanokura and Katherine Brisbane
Routledge, 2001
 Buku Referensi