As was mentioned before, a lot of the research is focusing on finding controlled vocabularies and metadata or classification schemes. However, research and sources on the changing nature of how description and classification of these communities has changed over time, and the circumstances that have motivated that change, are also important to the success of developing this information retrieval tool. So, what has been found so far and how does it add to the project? Well, the short answer is it’s a lot of resources, and it’s honestly a bit overwhelming. When you look at it all more closely though, the sources span information on the history and nature of classification, the often inherently problematic nature of classification, the changes in terminology and the evolution of the classification of each of these communities, and more. Sometimes these sources also recommend vocabularies or classifications that can be pulled out for use in the project. However, even if a source only provides general information and background, it is invaluable to not only establishing a need for a project such as this one but also to helping us better understand the communities that are part of this project, where the issues in their classification exist, and how to frame and shape this tool in a way that will help it most effectively meet its goals for all of the communities and researchers it is meant to help.