Here are a collection of documents, articles, books, and movies on the Declaration:
DOCUMENTS:
Drafts of declarations by states before July 4, 1776.
Jefferson’s Original draft of the Declaration.
The Text of the Declaration of Independence.
Other declarations influenced by the Declaration.
The Declaration of Independence in Humor.
MOVIES, FILM
Watch the Movie 1776 free on YouTube.
Consider also the HBO John Adams series.
BOOKS AND ARTICLES
Books for further reading on the Declaration.
My presentation slides from Designing the Declaration.
My History Notes 