Exhibition catalogue, ARCO: Armando Morales, Peintures, Madrid, Galerie Claude Bernard, no. 6 (illustrated in color). Exhibition catalogue, Armando Morales: Pintura, Mexico City, Museo Rufino Tamayo, Monterrey, Museo de Monterrey, 1990, p. 81 and on the cover (illustrated in color). 'September, Trazos de un sentimiento' in Carnet de Vogue, Mexico City, 1990, p. 14 (illustrated in color). E. García, 'Refleja el arte latino su identidad nacional' in El Diario, Monterrey, 20 June 1990 (illustrated in color). C. O Campo, 'La hoja de sicómoro'; C. Pacheco, 'De Nicaragua llegó Armando Morales con su pintura de selva, amor y muerte'; and M. Montes de Oca, 'La pintura de Armando Morales: ventanas a lo real y lo maravilloso' in Siempre, Mexico City, 25 July 1990, no. 1935 (illustrated in color). J. Shown, 'Nicaraguan Painter Armando Morales, Exhibits in Mexico' in The News, Mexico City, 2 August 1990 (illustrated in color). X. Xiaosheng, Morales, Beijing, Art Edition Jiangxi, 1995, p. 56 (illustrated in color). C. Loewer, Armando Morales: Monograph & Catalogue Raisonné, Volume II 1984-1993, ArtAcatos, Vaumarcus, 2010, p. 280-281, no. 1989.41 (illustrated in color).