[[Horween Leather Company]] leverer læder til Brooks Brothers' fodtøj.<ref name="horween1">{{cite web |url=http://horween.com/about/a-brief-history/ |author= |title=A Brief History « Horween Leather Company |publisher=Horween.com |date= |access-date=28. marts 2013 |url-status=dead |archive-url=https://web.archive.org/web/20130705053917/http://horween.com/about/a-brief-history/ |archive-date=5. juli 2013 |df= }}</ref><ref name="encyclopedia1">{{cite book|url=http://www.encyclopedia.com/doc/1G2-3479900049.html |author= |title=Horween Leather Company |publisher= encyclopedia.com|date= |access-date=26. marts 2013}}</ref><ref name="chicagotribune2003">{{cite news|author =  Barbara Rolek |url=http://articles.chicagotribune.com/2003-10-27/business/0310270217_1_bob-clevenhagen-rawlings-glove |title=Horween's leather bound by tradition |publisher=Chicago Tribune |date=27. oktober 2003 |access-date=27. marts 2013}}</ref>
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