The group wants to gather print material and look for video to document this development.

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The 13 collections document Australian childhood culture spanning 140 years, with specialized material from the 1950s, 70s and 80s - possibly the largest collection of its kind in the world.

UNESCO: Communication et information

"When the document does goes up for auction it will be important that the material is given appropriate care and I hope that public access to the information that it contains can be secured, " he said.

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