Contemporary specimens of compositions, accompanied by explanatory or supplementary letters by the authors themselves, describing their methods, habits of writing, revisions, etc. cf. Pref
Primary exercises in arithmetic : no. 5 : fourth year, first half : exercises on the simple rules : multiplication by factors and two figures : division by factors without remainders : sight exercises on the tables of time, length, etc. : notation and numeration up to six places : abundance of sight work
