Pestalozzi, J. H. (1819). Pestalozzi's intuitive relations of numbers: Containing the use of the second table of fractions. (with a large plate). sold by R.M. Tims.
MLA CitationPestalozzi, Johann H. Pestalozzi's Intuitive Relations of Numbers: Containing the Use of the Second Table of Fractions. (with a Large Plate). sold by R.M. Tims, 1819.
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