Ключевые слова: aged, ancient, antique, background, book, bookcase, bookshelf, brown, cardboard, classic, college, cover, design, education, information, knowledge, learn, library, literary, literature, old, page, paper, pattern, print, read, research, retro, row, school, science, shelf, spine, stack, study, table, textbook, texture, university, vintage, wall, wallpaper, weathered, white, wood, wooden,