You will find a wealth of DH material - books, ebooks, journal articles - via SOLO, the University's online catalogue.
Below is an introductory selection.
A New Companion to Digital Humanities edited by Susan Schreibman, Ray Siemens, and John Unsworth - SOLO permalink
Digital Humanities Quarterly: An open-access, peer-reviewed, digital journal covering all aspects of digital media in the humanities. Published by the Alliance of Digital Humanities Organizations (ADHO).
Digital Scholarship in the Humanities: An international, peer reviewed journal which publishes original contributions on all aspects of digital scholarship in the Humanities including, but not limited to, the field of what is currently called the Digital Humanities.
Frontiers in Digital Humanities: Publishes rigorously peer-reviewed research from Digital History to Big Data, providing a community platform for the Humanities in the digital age.
Defining Digital Humanities edited by Melissa Terras, Julianne Nyhan, Edward Vanhoutte - SOLO permalink