Ключевые слова: abstract, advice, ancient, background, bibliographic, bibliography, book, business, class, classic, culture, data, document, educate, education, encyclopedia, expert, federal, finance, financial, idea, industry, information, intelligence, law, learn, library, light, literary, literature, manuscript, medium, monochrome, news, novel, old, public, racks, reading, science, scientist, sepia, shelf, stack, study, text, traditional, train, wisdom, wise, work,