Mexican mosaics are described on pp. 93-97; fig. 4 illustrates the bird mask in Gotha; pl. 15-17, Mexican mosaics in the British Museum and in Rome (10 pieces). The Use of Turquois in Mexico and Central America: Use as Attested by Historical Evidence, pp. 90-92; Use as Attested by Objects, pp. 93-97.
1921
Arreola, José María. Como legítima el Museo Nacional ha adquirido una pieza falsificada. El Excelsior, Mexico, Oct. 20.
Illustrates in this signed newspaper article a stone mask with turquois mosaic decoration said to have been found in Guerrero. He concludes that it is fraudulent.
Lehmann, Walter. Altmexikanische Kunstgeschichte ein Entwurf in Umrissen. Band 8 des Orbis Pictus. Weltkunst-Bücherei herausgegeben von Paul Westheim. Berlin.
In this short study of old Mexican art history Dr. Lehmann illustrates a number of notable Mexican antiquities. The Xolotl figure in Vienna is illustrated, front and side views, pl. 7, and the crouching animal figure in the British Museum is given on pl. 8. He gives brief descriptions in the description of plates on pp. 22-23.
1922
Gamio, Manuel. Una máscara de mosaico falsificada. [A counterfeit mosaic mask.] Ethnos, tomo I, núms. 8-12, pp. 260-264, Mexico, Nov. 1920-Mar. 1921.
Gamio denounces as fraudulent the stone mosaic mask claimed to have been discovered in Guerrero by Porfirio Aguirre.
Mena, Ramon. La arqueología debe de estar en manos de arqueológicos. El Universal, Mexico, April 2.