Computer History Museum www.computerhistory.org [Computer]

Collections. Online search available for (mostly documentary) collections http://www.computerhistory.org/collections/search/.

Research facilities limited until April 2016. For overview see http://www.computerhistory.org/collections/.
This leads to some comprehensive finding aids for oral histories, archives, computer chess, etc.

Research policies are laid out in detail in http://www.computerhistory.org/research/.