Contents: First principles -- Research and report as historian's work -- The ABC of technique -- Research -- The searcher: his mind and virtues -- Finding the facts -- Verification -- Handling ideas -- Truth and causation -- Pattern, bias and the great systems -- Historians in Europe and America -- The sister disciplines -- Writing -- Organizing: paragraph, chapter, and part -- Plain words: the war on jargon and cliches -- Clear sentences: right emphasis and right rhythm -- The arts of quoting and translating -- The rules of citing: footnotes and bibliography -- Revising for printer and public