EUROPE

• Bible Museum, Münster, Westphalia, Germany (2002–2003) 

• Tübingen University Library, Tübingen, Germany (2003) 

• Ecumenical Patriarchate, Constantinople, Turkey (2004) 

• Monastery of St. John the Theologian, Patmos, Greece (2006–2008) 

• National Archives, Tirana, Albania (2007–2008) 

• University of Glasgow Library, Glasgow, Scotland (2008) 

• St Andrews University Library, St Andrews, Scotland (2008) 

• De Hamel Collection, Cambridge, England (2008) 

• Christ’s College, Cambridge, England (2008) 

• Clare College, Cambridge, England (2008) 

• Tyndale House, Cambridge, England (2008) 

• Arundel Castle, England (2008) 

• Leicestershire Record Office, Leicester, England (2008) 

• Bavarian State Library, Munich, Germany (2009) 

• Benaki Museum, Athens, Greece (2009) 

• National History Museum, Historical and Ethnological Society, Athens, Greece (2009) 

• Private Collection, United Kingdom (2009) 

• Byzantine and Christian Museum, Athens, Greece (2010–2011) 

• Museum of Literature, Iasi, Romania (2010) 

• Biblioteca Medicea Laurenziana, Florence, Italy (2011)  

• Gennadius Library, American School of Classical Studies, Athens, Greece (2012) 

• University of Athens Historical Museum, Athens, Greece (2012) 

• Zagora Historical Library, Athens, Greece (2012–2013) 

• Chester Beatty Library, Dublin, Ireland (2013)  

• National Library of Greece, Athens, Greece (2014–16)

• University of Edinburgh, Edinburgh, Scotland (2016) 

• Tatarnis Monastery, Tripotamon, Greece (2017) 

• Panagias Monastery, Proussos, Greece (2017) 

• Library of the Hellenic Parliament, Athens, Greece (2018) 

• Byzantine Museum of Ioannina, Ioannina, Greece (2018) 

• Institute for Papyrology, University of Heidelberg, Heidelberg, Germany (2018)  

• Erzabtei St. Martin zu Beuron, Beuron, Germany (2019)

• Lambeth Palace Library, London, United Kingdom (2022)

ASIA

• National Centre of Manuscripts, Tbilisi, Republic of Georgia (2018) 

AUSTRALIA

• Macquarie University, Sydney, Australia (2009) 

• Auckland Public Library, Auckland, New Zealand (2009) 

NORTH AMERICA

• Charles C. Ryrie Private Collection, Dallas, Texas, USA (2003–2004) 

• Private Collection, Dallas, TX (2003) 

• Private Collection, Pennsylvania (2005) 

• The Scriptorium, Orlando, Florida, USA (2008) 

• Gruber Collection, Lutheran Theological Seminary, Maywood, Illinois, USA (2010) 

• Bridwell Library, Southern Methodist University, Dallas, Texas, USA (2010) (2019) 

• Drew University, Madison, New Jersey, USA (2012) 

• Trinity College, Hartford, Connecticut, USA (2012) 

• American Bible Society, New York City, New York, USA (2012) 

• New York Public Library, Rare Books and Manuscripts Division, New York City, New York, USA (2012) 

• University of Michigan, Ann Arbor, Michigan, USA (2008) (2014) 

• Southwestern Baptist Theological Seminary, Fort Worth, Texas, USA (2014) 

• Houston Baptist University, Houston, Texas, USA (2019, 2022) 

• Southern Baptist Theological Seminary, Louisville, Kentucky, USA (2019)

• Museum of the Bible, Washington, D.C., USA (2022)