Lüshi Chunqiu
The c. 239 BCE "Lüshi Chunqiu" (Master Lü's Spring and Autumn Annals) is an encyclopedic text compiled under the patronage of the Qin dynasty Chancellor Lü Buwei. The "Mengdong" (孟冬, "Almanac for the First Month of Winter") writes Mr. He (龢氏) with an early variant character.