Links:
[1] https://www.hathitrust.org/technology
[2] https://www.hathitrust.org/access_determination
[3] https://www.hathitrust.org/large_scale_search
[4] https://www.hathitrust.org/shibboleth
[5] https://www.hathitrust.org/rights_database
[6] https://www.hathitrust.org/standards
[7] https://www.hathitrust.org/digital_object_specifications
[8] https://www.hathitrust.org/internal_codes
[9] https://www.hathitrust.org/institution_identifiers