Here is where to look for the registry agreements of the new gTLDs
The “Alternate Path to Delegation” sections of these reports contain the lists of blocked 2nd-level domains in the TLDs.
http://www.icann.org/en/about/agreements/registries
Here is a link to a list of the new gTLDs that have been delegated
http://newgtlds.icann.org/en/program-status/delegated-strings