When I was a child of four, I found (have you guessed it already?) a Talking Manuscript which had been hermetically sealed in an Ed McMayonnaise jar and left sitting on Funk & Wagnalls porch (where all we baby logologists were wont to play) since noon that very day.
Bergerson, Howard W.
"The Great Haiku,"
Word Ways: Vol. 18
, Article 8.
Available at: http://digitalcommons.butler.edu/wordways/vol18/iss4/8