- 1966
- From the Paul T.K. Lin Papers, HKUST Library Special Collections
- Soong Ching-ling letter to Paul and Eileen Lin about news of Pearl Sun in Hong Kong, 12 July 1966
- Choy, Henry, 1910—2004 (蔡福就)
- Sun, Pearl (孫穗英)
- Sun, Grace, 1896—1979 (孫婉)
- The Great Cultural Revolution
- Hong Kong
- English
- 3 sheets ; 21 x 28 cm. Hand-written, signed.
- 10.14711/spcol/x001222
- https://digitalcollections.hkust.edu.hk/Detail/objects/x001222