https://coagul.marcocallaghan.com/

https://revelacionsautomatiques.marcocallaghan.com/

https://diposit.ub.edu/dspace/handle/2445/123610

https://www.lacapella.barcelona/ca/presentacio/la-comunitat?f%5B0%5D=artistes%3A3310

https://www.arteinformado.com/guia/f/marc-ocallaghan-206355

https://www.teatrebarcelona.com/marc-ocallaghan