In general, licensed content from the following publishers/platforms is perpetual. This does not necessarily apply to open access titles, nor those made temporarily free for a period of time (note: temporarily free e-books are not listed in IUCAT for the Bloomington campus). This list may be updated over time.
Content from the publishers/platforms below could be either perpetually purchased or part of a non-perpetual subscription/collection. More information as well as tips on potentially identifying which type of access for a particular e-book will be added.
E-books from the following publishers/platforms are not necessarily licensed perpetually.