Hai Collection, Upper Volume
Radical: Horse (mǎ)
Entry: Pī
Kangxi strokes: 15
Page 1436, Entry 06
Pronounced pī.
Jade Chapters (Yupian): Pīpī describes the appearance of running.
Songs of the South (Chuci), Summoning of the Soul: Chasing men, pīpī. Commentary: Pīpī describes the appearance of running.
Also, Literary Expositor (Erya), Domestic Animals: Horses with yellow and white mixed fur are called pī. Commentary: Now called peach blossom horses.
Book of Odes (Shijing), Odes of Lu: There are dappled grey horses, there are horses with yellow and white mixed fur.
Also, Collected Rhymes (Jiyun): Pronounced pí. Same meaning.
Collected Rhymes (Jiyun): Sometimes written in a variant form.
Textual research: Literary Expositor (Erya), Explaining Beasts. Strictly following the original book, changed to Domestic Animals.