This book, "Novye trudy po istochnikovedeniyu drevne-russkoj literatury i paleografii. Kritiko-bibliograficheskij obzor. XXXVII-XLVI. S prilozheniem ukrainskih pesen po rukopisi XVIII v.", by V.N. Peretts, is a replication of a book originally published before 1906. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.