Cocker's Arithmetick [electronic resource] : Being a plain and familiar method, suitable to the meanest capacity for the full understanding of that incomparable art, as it is now taught by the ablest school-masters in city and country. Composed by Edward Cocker, late practitioner in the arts of writing, arithmetick, and engraving. Being that so long since promise'd to the world. Perused [sic] and published by John Hawkins writing-master near St. Georges Church in Southwark, by the authors correct copy, and commended to the world by many eminent mathematicians and writing-masters in and near London. The one and twentieth edition carefully corrected, with additions. Licensed Sept. 3. 1677. Roger L'estrange.