Goupil & Co: fine art publishers; Manzi, Joyant and Co., fine art publishers to the King (successors), 25 Bedford Street, Strand w.c., Paris and New York (170 Fifth Avenue), founded 1827. *Listing from the Literary Year Book and Bookman's Directory 1907. London, George Rutledge and Sons Ltd. New York: E.P. Dutton & Co. 1907, Part II, page 406.
Goupil is also known as the international art & publishing firm that employed several members of the Van Gogh family, including Vincent and his brother, Theo.