The Millar Library houses approximately 1,422,427 volumes, 640 print subscriptions, 97,065 accessible electronic books, 2,592,288 microforms, 69,762 maps, and 133,978 audio-visual materials.[39] It is also a repository for federal documents, housing over 400,000 government documents.[39][40] The Millar Library is open to the public, and allows non-students access to their catalogues of PDF files and published online journals.[41]