Other
The Virtual Vine: Snow: Snowmen
Geared towards the primary grades, this web site on snow-themed teaching resources and ideas includes songs, activities, projects, and a booklist.
The National Gallery (UK)
National Gallery, London: Teacher's Notes Jan Beerstraten
Fantastic suggestions on how to introduce and discuss Beerstraten's painting 'The Castle of Muiden in Winter' in almost all school subjects.