<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">quill</topic></authority><related type="other"><topic>quill pens</topic></related><related type="broader"><topic>feather</topic></related><related type="broader"><topic>hair by form as material</topic></related><variant type="other"><topic>quills</topic></variant> <note xml:lang="en"><![CDATA[ Material derived from the hard, hollow shaft of a feather that attaches into the skin of the bird. The quill portion of the bird feather does not have any lateral branches; quills from ducks, geese, eagles, swans, and other large birds have been used as tips for pens and as ferrules for artists' brushes. ]]></note></mads>