1. Abrams, H. B. 1992. Originality and Creativity in Copyright Law. Law and Contemporary Problems, 55(2), pp. 3-44. doi: https://doi.org/10.2307/1191773;
2. Ash, T. M. 2018. Where Are All the Orphans? How Effective Is Current Legislation in Enabling Cultural Heritage Institutions to Make Orphan Works Available Online?. PhD dissertation. London: University of London. Dostupno na: http://dx.doi. org/10.17613/M6127S;
3. Buccafusco, C. 2016. A Theory of Copyright Authorship. Virginia Law Review, 102, pp. 1229-1295;
4. Cohen, J. E. 2007. Creativity and Culture in Copyright Theory. UC Davis School of Law Review, 40, pp. 1151-1205;
5. Dahlberg, B. 2011. The Orphan Works Problem: Preserving Access to the Cultural History of Disadvantaged Groups. Southern California Review of Law & Social Justice, 20(2), pp. 275-314;