NYT ARCHIVES
Researching the online bibliography for The Substance of Style, I came across this great site that links by date to NYT articles from the past three years (and a few older ones). Its dedication reads:
These web pages are dedicated to my Dad, Tsien-Chung Chou (1902-2000), who read avidly daily & joyfully The New York Times for over 50 years.
The site also includes an archives of NYT articles mentioning Mark Twain, beginning with a brief book review from May 1, 1867.