Contemporary specimens of compositions, accompanied by explanatory or supplementary letters by the authors themselves, describing their methods, habits of writing, revisions, etc. cf. Pref
Standard up-to-date practical letter writer : a comprehensive and practical guide to correspondence, showing the structure, composition, formalities and uses of the various kinds of letters, notes and cards
Tradition and transition : extension education for the farm unit in a changing society : a study of all agricultural extension services in Alberta with new directions charted to 1980