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TxAuBib
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42869
Project Gutenberg
PGUSA
eng
TxAuBib
Montessori, Maria.
Montessori Elementary Materials
[Gutenberg] :
The Advanced Montessori Method /
Maria Montessori; translated by Arthur Livingston.
Project Gutenberg,
2013.
Freely available.
Electronic text.
Livingston, Arthur,
translator.
http://www.gutenberg.org/ebooks/42869
http://www.gutenberg.org/license
Rights