This book is intended primarily as a guide for the opera goer. It includes a synopsis of the plot, with indications of the themes and motifs used in it, and discusses the style of the opera, Tosca being a typical example of Italian naturalism in operas, verismo.  Meer

An outstanding and greatly neglected novel of the war, revolution, civil war and early Bolshevik rule first appeared in English in 1930 under the title 'Quiet Street'.  Meer