De Fiori made at least one cast in bronze of the head of Greta Garbo, which was also exhibited in the State Art Gallery in 1997 and came from the Ladi Biesus Collection.
— Unknown authorship, 1998
Source: Luiz Marques (org.), Catalogue of the Museu de Arte de São Paulo Assis Chateaubriand, São Paulo: MASP, 1998. (new edition, 2008).