1. (Thomas Lawton, September 1987) Exhibition In Praise of Ancestors label text; moved to label field.
2. (Jeffrey Smith per Keith Wilson, July 8, 2008) Weapon and Armament added as secondary classification.
3. (Susan Kitsoulis per Keith Wilson, April 2, 2010) Object name changed from "Weapon: knife" to "Ceremonial object"; title from "Knife (Dao 刀)" to "Harvesting knife (hu 笏)."
4. (Jeffrey Smith per Janet Douglas, June 17, 2010) serpentine added as modifier to existing medium of "jade" based on conservation analysis.
5. (Jeffrey Smith per Keith Wilson, April 22, 2016) Shang dynasty with object date of ca. 1st half -2nd millennium BCE changed to Late Neolithic period with object date of 1800-1600 BCE (Erlitou culture).
6. (Jeffrey Smith per Keith Wilson, April 2, 2020) "Sanxingdui culture" unlinked and "Erlitou culture" linked as Constituent. Date changed from "ca. 2000-1000 BCE" to "ca. 2000-1600 BCE." Origin geography changed to "probably Henan province, China."
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