[4] After Neo-Confucianism was welcomed as the formal doctrine in Korea at the beginning of the Joseon era, the new intellectually aware and literate yangban replaced aristocrats and Buddhist monks.
[5] This new elite ruling class spent a significant part of their time in writing calligraphy alongside reading.
[6] Made in wood, stone, porcelain and bamboo, brush pots were mostly cylindrical and were often decorated with traditional symbols inscribed on their body.
[9] In the Skinner Asian Arts Auction, an 18th-century 6-inch (150 mm) bamboo Chinese brush pot was sold for $539,500.
[10] In March 2019, the Art Institute of Chicago de-accessioned 22 Chinese jade carvings at a sale at Sotheby's New York.