Chinese Calligraphy Book, Signed by Youren Yu (1879-1964). Ink on Paper. Provenance: Private California Collection. Book Size: 11.5 x 8.2 in. In 1912, he served as Ministry of Communications of Nanjing Provisional Government. He has committed oppose Monarchy ambitions. In 1918, he returned to Shannxi and he became the supreme of Nation-Pacifying Army at Shaanxi. Then he served as Shanghai University Presidents and the president of the Control Yuan Republic of the National Government. In 1964, he died in Taiwan. His works are collected in Taipei Fine Art Museum, Kaohsiung Museum of Fine Art, National Museum of History and Yu Yujen's Calligraphy Museum.