Citations and articles and essays in journals, catalogs and books:

• Cited in: Noyce, Richard, Critical Mass - Printmaking Beyond the Edge. London: A&C Black, 2010. pp127-128. ISBN:978-14081-0939-7 (link)

• Representation in the catalog “5th International Printmaking Biennial of Douro 2010”, Portugal

• Article in the Annals: Entre territórios In: Anais do 19° Encontro Nacional da ANPAP. ANPAP, EDUFBA, 2010. SSN:2175-8220 (CD-R) ISSN:2175-8212.

• Representation in the catalog: Multiple Matters - graphic concepts, International Print Triennial, Vienna/Austria, 2010

• Representation in the catalog: Grafik Ohne Grenzen, International Print Triennial, Oldenburg/Germany, 2010. ISBN:978-3-89995-701-3

• Representation in the catalog: 41th International Print Triennial Krakow/Poland, 2009. ISBN:978-83-88890-48-2

• Representation in the catalog: III Bienal Ibero-americana de Grabado y Obra Gráfica Ciudad de Cáceres, Spain. 2009. ISBN:978-84-936620-1-1

• Representation in the catalog: II Bienal Ibero-americana de Grabado y Obra Gráfica Ciudad de Cáceres, Spain. 2007. ISBN:84-921355-8-1

• Representation in the catalog Print: International Grafik Tiennale, Krakau-Oldenburg-Wien. Vienna/Austria - MTG 2007. ISBN:3-900354-05-7

• Representation in the catalog: 40th International Print Triennial Krakow/Polonia. MTG 2006. ISBN:83-88890-37-9

• Representation in the catalog: I Bienal Ibero-americana de Grabado y Obra Gráfica Ciudad de Cáceres, Spain. 2005. ISBN:84-921355-5-7

• Article in jounals: WALKER, M. E. A. Investigando e Experimentando a Gravura. In: II Encontro da Associação Nacional de Pesquisa e Pós-Graduação em Artes Visuais. Salvador: Artes Visuais Pesquisa Hoje. UFBA-EDUFBA, 2001. v.1, pp.143-155.

• Text in catalog: Instalação Bahia 2001, Museum of Modern Art, Salvador, Bahia, Brazil. pp.1-2.

• Representation in: +100 Artistas Plásticos da Bahia. Salvador Bahia: Prova do Artista. p.96. CDU 7.071.1(058)

• Article in jounals: WALKER, M. E. A. Journal Cultura Visual, Salvador, v. 2, pp. 9-16, 06 jul. 2000. Federal University of Bahia, Brazil. http://www.mav.ufba.br/apage_textos_revista.htm

• Article in jounals: WALKER, Michael Eric Adolphe. La Litografia. Exlibris, Portaveu de l’Associació Catalana d’Exlibristes, Barcelona, v. 17, pp. 18-21, 03 dez. 1997.