Digital libraries have great potential to improve the educational experience. As a result, there are a wide variety of such repositories, especially those that focus specifically on education. But relatively few focus on topics as specific as Human-Computer Interaction (HCI) or Human-Centered Computing (HCC). In addition, support for browsing behavior, with a few exceptions, is both weak and not suitable for user needs. This paper presents our work to create a repository of educational materials for a relatively narrowly-targeted field (HCC/HCI), including our requirements gathering methods and results. Finally, we discuss the HCC Education Digital Library (HCC EDL) as a platform for investigating broader digital library research questions, such as exploring alternative designs for content browsing mechanisms.