1.　 Hala Nassar, Robert R. Hewitt, “The Sovereign Global City: Omani Post-Traditional Landscape Urbanism,” in Guagipur, Mohammed (ed), Contemporary Landscape of the Middle East, Taylor & Francis, London, 2016

2.　 Hewitt Robert, Hala, Nassar, “Cross-Cultural Participatory Design Methods and Techniques across Differing International Political Contexts,” CELA Conference 2016.

3.　 Hewitt Robert, Hala, Nassar, “Debate/Dilemma: Defining the Sovereign Global Urban Landscape,” CELA Conference Select 2016.

4.　 Hewitt, Robert, Hala Nassar, “Insight: Cairo, Dubai, Muscat; Effects of Globalization and Modernization on Urban Landscape Change in the Middle East,” CELA Conference Abstracts 2015

5.　 Hewitt, Robert, Hala Nassar, “Insight: New Definitions of Web and Socially-Mediated Landscape Architecture Groups,” CELA Conference Abstracts 2015

6.　 Hewitt, Robert, Hala Nassar, “Globalization and Landscape Architecture: Sultan Qaboos Mosque and the Global Landscape of Islam,” CELA Conference Papers 2014.

7.　 Hewitt, Robert, Hala Nassar, “Globalization and Landscape Architecture, “The Role of International Institutions in the Development of Global/Local Landscape,” CELA Conference Papers 2014.

8.　 Robert R. Hewitt, ed., Landscape Imprints, Culture, History, Sustainability, Technology, and Education, Clemson University Digital Press, 2013

9.　 Hewitt, Robert R., “The Benign, the Suspicious, and the Magical: Healing Beliefs and the Creation of Landscape,” (submitted for publication) Landscape Journal 2013

10. Hewitt, Robert, R , “The Nature of Health: John Claudius Loudon and the Influence of Medical Thought on Environmental Design in Early 19th-Century Britain,” (submitted for publication) Landscape Journal 2013

11. Robert R. Hewitt, ed., Landscape Imprints: Proceedings CELA 2003, 2nd Edition, Published by Council of Educators in Landscape Architecture, 2010, http://www.thecela.org/documents.php