1. A European Parliament Resolution of 12 May 2011 on Early Years Learning in the European Union. www.europarl.europa.eu/sides/getDoc.do?type=TA&language=EN&reference=P7-TA-2011-0231. Accessed 20 December 2018.
2. An EU Agenda for the Rights of the Child. www.eesc.europa.eu/en/our-work/opinions-information-reports/opinions/eu-agenda-rights-child. Accessed 20 December 2018.
3. Änggård, Eva. 2016. How Matter Comes to Matter in Children’s Nature Play: Posthumanist Approaches and Children’s Geographies. Children’s Geographies 14 (1): 77–90. https://doi.org/10.1080/14733285.2015.1004523.
4. Barnes, Donna R. 2006. Play in Historical and Cross-Cultural Contexts. In Play from Birth to Twelve: Contexts, Perspectives, and Meanings, ed. Doris Pronin Fromberg and Doris Bergen, 2nd ed., 243–260. Routledge.
5. Beauvais, Clémentine. 2015. The Mighty Child: Time and Power in Children’s Literature. John Benjamins Publishing Company.