painting and calligraphy in memory of Vong Koi Chun Painting and calligraphy in the Fang lineage Painting and calligraphy in Dongguan Museum Paintings and calligraphy of Yin shoushi Painting and calligraphy art exhibition Painting and calligraphy auction records Chinese painting and calligraphy of Xu Qingsong Xu Hongji and Xu Yuchang Painting and calligraphy auction ink painting and calligraphy of modern maestros painting and modernity in early Qing China