Records of conferences are one of the best sources for game design information. As a field, we don’t do a good job of storing information over the long term (a point Leigh Alexander made at a conference this past weekend!), but we at least have central locations were the data is made available. The recordings and documents that come out of those conferences become the closest thing the field has to searchable, peer-reviewed journals.
For that reason, I’d encourage you to take a look at the Tumblr for PRACTICE 2015. The conference was excellent, and the people running the Tumblr did an amazing job of getting key information down. Give it a look!