Ключевые слова: bologna, book, bookfair, bookshelf, bookstore, booth, buy, capital, commerce, communism, communist, cultural, culture, day, de, demonstration, empiriocriticism, europe, european, event, exhibition, fair, feira, italy, labour, lenin, literature, market, marks, marx, materialism, outdoor, russia, russian, sell, soviet, stall, stand, street, ussr,