If you download it online, in fact, many calligraphy and painting websites and professional forums (not specialized in business) have all kinds of library of representative books, which can be downloaded after registration, and they are basically high-definition big pictures.
Such as China Calligraphy Forum, Calligraphy Jianghu, China, calligraphy net, China Seal Cutting Network and so on. I won't say them one by one.
Landlord, Baidu has many pages.