Guaranty Building – Buffalo, New York - Atlas Obscura
Guaranty Building, Buffalo (New York), Louis Sullivan, 1894-95: les grands oculi percés dans la corniche incurvée | Louis sullivan, Architecture, Building
Louis Sullivan's Guaranty Building: Hodgson Russ LLP
Prudential (Guaranty) Building - Wikipedia
Guaranty Building Restoration, John Krouse, Peter Flynn, APT Buffalo