1 item foundYou searched for: Date: 1930s✖Subject: Other✖Subject: Arithmetic -Textbooks.✖This SiteAll Sites TableGridIndex CatalogCreatorDateIdentifierObject IDPastPerfectPlacePublisherSubjectTitleTypemodified date 102550100200 AllWith Images Refine Your SearchRefine Your SearchSubjectOther✖Arithmetic -Textbooks.✖TypePublicationPlacenoneDate1930s✖ Item 1527 The new curriculum arithmetics (triangle series)
