- 1970
- From the Paul T.K. Lin Papers, HKUST Library Special Collections
- Soong Ching-ling letter to “My dear Friend” (Mrs. Chen, Eileen’s mom), 25 February 1970
- Soong, Tse-an, 1906-1969 (宋子安)
- Shanghai
- “5-7” school (May Seventh Cadre School)
- English
- 4 sheets (photocopy) ; 22 x 36 cm. Hand-written, signed.
- 10.14711/spcol/x001242
- https://digitalcollections.hkust.edu.hk/Detail/objects/x001242