Yang Minghan's calligraphy. Yang Minghan has published monographs "Yang Hua Calligraphy Collection", "Yang Hua Calligraphy Art", "Yang Hua Calligraphy and Painting Art", "Bing Jade Collection - Yang Hua" Collection of Hand-carved Crystal Jade Seal Works", "The Traces of Yang Hua's Seals", "Hundred Masters of Chinese Seal Engraving - Yang Hua Volume", "Selected Seal Engravings of Yang Hua", "Selected Collection of Yang Hua's Calligraphy Works", "Collection of Yang Hua's Calligraphy" (Part 2)", "School Art Curriculum Education and Teaching", "Yang Hua's Calligraphy and Seal Engraving Works", etc. "Yang Hua Calligraphy Collection", "Yang Hua Calligraphy Art", "Yang Hua Calligraphy Art".