Essentially this database is available only through an affiliation, mostly paid by the subscribing Institution (also individual subscriptions are accepted), with some basic infos available free of charge, such as lists of journals covered.
Beside an instant free trial, most of CIAO is available only through an annual subscription, whose cost is based on type and size of institution. Individual subscriptions are also accepted
While access to most data requires a paid subscription, some basic material is freely available, including abstracts about syllabi and course packs, lists of book and journals covered, and search options for events in foreign affairs and security policy
The vast majority of available links refers only to internal pages and resources, or to various departments of the parent entity, Columbia University