Defines model licences and discusses their importance for both libraries an
d vendors. Describes several models in detail, and examines their ILL claus
es; this chronological survey includes the PA/JlSC and NESLI initiatives, t
he John Cox Associates model licence suite, and the CLIR/DLF/Liblicense mod
el, among others. Discusses how model licences are being used by publishers
and consortia, and offers suggestions for using them in the reader's libra
ry.