Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Small Triangular Pillow Fits
Items Numbered Next to Small Triangular Pillow
Blizzard numbers items as they are created, so the named items next to ID 198722 (198717 to 198729) were usually added in the same batch as Small Triangular Pillow: the same quest line, zone, vendor or reward set.