It does not cover:
* material related to other definitions of the Singularity including technological acceleration and the superintelligence event horizon (see Yudkowsky, "Three Major Schools"),
* predictive futurism,
* existential risk,
* and the many relevant fields such as decision theory, cognitive neuroscience, and ethics.
There is an emphasis on academic work. However, the field is new and small, and much high-quality writing appears only in informal forums. Some of the best of this is listed below.
I'd like to make the bibliography comprehensive within its narrow field, so please add more items in the comments to help in future revisions