朱彝尊家书，为唐长孺先生收藏，由启功先生题跋，具有重要的文献价值，却从未发表。
Zhu Yi-zun 's letters home , collected by Tang Chang-ru and recently postscripted by Qi Gong in 1980 , have never been published , but are of important value as historical documents .
唐长孺