https://collection.folkartmuseum.org/internal/media/dispatcher/23794/fullPractical ArithmetickApril 21, 1812[com.gallerysystems.emuseum.core.entities.RecordXPerson@118f6]com.gallerysystems.emuseum.core.entities.RecordXPerson@118f6Ink on paper, 42 pages(original manuscript)com.gallerysystems.emuseum.core.entities.Classification@40fThe American Folk Art Museum believes this work to be in the public domain.https://collection.folkartmuseum.org/objects/7393/rdf