Books translated
- El libro de Xurxo Lobato Rias Baixas, O Viño do Mar con textos de Cristino Alvárez y traducción de Mark Guscin y Rocío Bernal (editado por el Consejo Regulador, Rias Baixas) ganó el primer premio en la categoría de Fotografía e ilustraciones en los Gourmand Awards de 2014.
- Adversus Albigensium Errores by Lucas de Tuy (Medieval Latin-English).
- Atracción Irresistible por La Eucaristía (Spanish-English, Saint Paul Association, 2002).
- La Dinámica Interior de María de la Concepción Cabrera (Spanish-English,2006).
- Las Memorias del Mariscal Soult (French-Spanish, Arenas SA, 1999).
- Memorias de las operaciones militares de los franceses en Galicia, Portugal y el valle del Tajo en 1809 de Pierre le Noble (French-Spanish, Arenas SA, 2006).
- O Ribeiro (book about white wine, 2010)
- La Cabrera (photography book, 2012)
Mark Guscin´s Books
- The Murder of Asunta Yong Fang (Cambridge Scholars 2017)
- The Oviedo Cloth (The Lutterworth Press, 1998)
- The Burial Cloths of Christ (CTS, 2000)
- Moore 1761-1809 (Arenas SA, 2001)
- The History of the Sudarium of Oviedo (Edwin Mellen Academic Press, 2004)
- La Historia del Sudario de Oviedo (Ayuntamiento de Oviedo, 2006)
- La Piedra del Destino, Historia y Leyenda (Ayuntamiento de La Coruña, 2006)
- Lady Hester Stanhope, Reina de Oriente y Leyenda en La Coruña (Arenas SA, 2008)
- The Image of Edessa (Brill Academic Publishers, 2009)
- All the Diamonds in the World (Archebooks, 2011)
- The Tradition of the Image of Edessa (Cambridge Scholars, 2016)
Films and documentaries
- O Novo Emden, documentary
- O segredo da Freixeira, documentary
- Os Batans de Mosquetín, a project directed by Felipe Senén (Diputación de A Coruña)
- Os mortos van á présa, film
Documentaries presented
- In Pursuit of the Shroud, ABC Kane Films for The Discovery Channel, 1998.
- La Batalla de La Coruña, University of La Coruña, 2000.
- Secrets of the Dead – Shroud of Christ? Pioneer Productions for Channel 4, UK, 2004.
- Unravelling the Shroud of Turin, The History Channel, 2005.
- The Shroud, Performance Films for the BBC, 2009.
- The ancient X-files WAG Television for National Geographic, 2010.
- The ancient X-files WAG Television for National Geographic, 2011.
Work as interpreter
- 1994 – Trip to Glasgow as interpreter in an international FIFA tournament.
- 1999 - Interpreter during the visit to La Coruña by HRH the Duke of Gloucester.
- 2000-2002 - Interpreter for Turbex 2000 during their launch into the Spanish market.
- 2002 - Organisation and protocol during visit by Lord Mayor of Glasgow to La Coruña.
- 2003 - Organisation and presentation of the Royal Grenadier Guard visit to La Coruña.
- 2004 - In answer to a request by the Chairman and founder, presentation of FADESA to investors in Europe and the USA when the company went public. With an average of ten presentations per day for a month in all kinds of situations (from personal interviews to meetings with 300 investors and simultaneous translation), with the worlds largest investment banks.
- 2005 - General Coordinator of The International Awards for Liveable Communities (Nations in Bloom). The event involved over 300 delegates from the five continents, the majority being Mayors and Councillors.
- 2006 - Member of the Organising Committee for the World Walking Cup held in La Coruña, Institutional Relations and commentator on races.
- 2007 - Congress on Geriatrics (University of La Coruña)
- 2008 - Congress on Occupational Hazards (La Coruña)
- 2009 – Visit of Ambassador of Japan to La Coruña
