Norwich University's Academic Pass includes access toTimesMachine, a searchable interface of digitized pages of NYT issues published between 1851 and 2002.
To use TimesMachine, you must be signed in to your NYTimes.com account.
Historical New York Times
The Kreitzberg Library also subscribes to the Historical New York Times database from ProQuest. Unlike TimesMachine, this database includes rich metadata and advanced search tools for in-depth historical research.