Ключевые слова: alphabet, blue, book, character, collection, concept, content, culture, dictionary, document, education, genealogy, hardcover, heap, heritage, history, idea, information, knowledge, learning, legacy, letter, library, literature, novel, old, page, paper, pile, print, publication, reading, research, school, science, stack, story, study, text, textbook, university, vocabulary, wisdom, word, writing,