From a JSTOR Update Blog Post by Kristen Garlock:
We are very pleased to announce that ANU [Australian National University] Press has made 409 titles available as part of JSTOR’s open access ebook collection at no cost to libraries or users.
Direct to List of Open Access Ebooks on JSTOR (.xls)
Direct to JSTOR Search Interface
See Also: Other JSTOR Resources/Programs Open to All