Ключевые слова: aged, ancient, antique, archive, background, blue, book, bookcase, bookshelf, brochure, brown, college, cover, design, education, educational, empty, hardcover, information, knowledge, learn, learning, library, literary, literature, object, old, open, page, paper, read, reading, research, retro, school, science, shelf, spine, stack, study, studying, textbook, texture, university, vintage, wall, white, wisdom, wood, wooden,