WikiScents has a total of 8 frangrances from Pierre-Constantin Gueros in its database.
Bill Blass Couture 1
Bill Blass
Bill Blass Couture 6
Dange-Rose
Blumarine Parfums
Gold Incense
Carolina Herrera
Oud Couture
September Morn
Byblos
Le Vie di Milano - Walking in Porta Venezia
Trussardi
Uniform Build Yourself
Armand Basi