Can Teach
Can Teach: Class Book Ideas: Story Frames
This site discusses how story frames are a great way to support emergent writers in the classroom. Lots of story prompts and writing frames to use in a K-2 classroom.
PBS
Pbs Teachers: Writing Development
Tour a portfolio of writing samples by one child from babyhood to third grade that help illustrate how writing develops naturally as well as the relationship between reading and writing. Consider literacy signposts at each level.