Jose, Nicholas, author
The custodians
Picador, 1997
 Buku Teks
Reuter, Thomas A., author
Custodians of the sacred mountains: budaya dan masyarakat di daerah pegunungan Bali
Yayasan Obor Indonesia, 2005
 Buku Teks SO
Walker, Samuel, author
Presidents and civil liberties from Wilson to Obama : a story of poor custodians / Samuel Walker
Cambridge Univ Press, 2012
 Buku Teks