Met Online

Night-Shining White, Han Gan (Chinese, active ca. 742–756), Handscroll; ink on paper, China
Nigh-Shining_White, Met

The Metropolitan Museum’s collection can be searched online.

the Met has digitised many of their catalogues and journals which are now available to download!  See Metpublications.   Search on Asian Art to find books, and articles on Chinese art from the Met Bulletin  For example:

Pear Blossoms, Unidentified, Handscroll; ink and color on paper, China
Pear Blossom, Met