Preface by Cai Zhiding (蔡之定)
嘉慶己亥(year)三月上巳(3rd day of 3rd month)通家侍生(relation)德清蔡之定拜序
Preface by Lin Peihou (林培厚)
Preface by Gao E (高鶚)
Note: The prefaces are handwritten, so the characters are difficult to decipher. They may be translated in the future if I can find a way to transcribe the characters accurately.