These wikipedia articles about items significant to the regiment.

The 9th Infantry’s “punch bowl” : The Liscum Bowl

The Liscum Bowl is a sterling silver punch bowl set made in 1902 from bullion gifted to the 9th Infantry Regiment by order of Chinese statesman Li Hongzhang in gratitude for the Americans’ assistance to the Qing dynasty in the Boxer Rebellion.

Balangiga bells

The Balangiga bells (Spanish: Campanas de Balangiga; Tagalog: Mga Batingaw ng Balangiga; Waray: Lingganay han Balangiga) are three church bells that were taken by the United States Army from the Church of San Lorenzo de Martir^[1] in Balangiga, Eastern Samar, Philippines.