Ключевые слова: abstract, aged, ancient, antique, art, background, book, bookshelf, closeup, college, cover, dark, dirty, education, encyclopedia, frame, hardcover, heap, history, information, isolated, knowledge, learn, learning, library, literary, literature, medieval, old, open, page, paper, reading, religious, retro, row, school, science, sheet, stack, study, studying, table, text, texture, university, up, vintage, white, wisdom,