http://www.thorntonburgess.org/PaperbackBooks.htm
http://www.thatresourcesite.com/montessori_literature_burgess_bird.htm
http://www.thatresourcesite.com/book_study_of_the_burgess_bird_book_for_children.htm
http://www.gutenberg.org/ebooks/3074
and for other Burgess Books:
http://www.gutenberg.org/ebooks/search.html/?default_prefix=author_id&sort_order=downloads&query=717
And for the collector there are these cup/plates for sale:
http://www.thorntonburgess.org/CupPlatesWithPrices.htm
