'A Rediscovery of a Painting by Felix Nussbaum', Milko den Leeuw and Ingeborg de Jongh, ARRS, 2022

'A Rediscovered Self-portrait by Jan Lievens', Milko den Leeuw and Ingeborg de Jongh, Technical Art History Booklet, ARRS, 2020

Casper Netscher Three Family Portraits, ARRS 2019

'Technical Art History - A Handbook of Scientific Techniques for the Examination of Work of Art', Authentication in Art, 2018 and second print 2019 'Rehabilitation of Painting nr #4 by Mark Rothko', Milko den Leeuw, Technical Art History Booklet, ARRS, 2018 

  'The Philips Madonna by Giovanni Bellini', Milko den Leeuw and Ingeborg de Jongh, Technical Art History Booklet, ARRS, 2017 

Ahmed Elgammal, Yan Kang, Milko Den Leeuw, 'Picasso, Matisse, or a Fake?', Automated Analysis of Drawings at the Stroke Level for Attribution and Authentication, 13 November 2017

I.J. de Jongh, M. den Leeuw, M. van Eikema Hommes, K. Keune, T. van Run, I. Verslyper, A. Wallert, 'Discoveries During the Technical Investigation of Gerard de Lairesse's Earliest Known Ceiling', Rijks Museum, 5th International Symposium ‘Painting Techniques, History, Materials and Studio Practice’, 18-20 September 2013, Published 2017 

Catalogue, Symposium Taipei Art Fair, Taiwan, 2016

Ingeborg de Jongh, Milko den Leeuw, 'Giovanni Bellini's Dudley Madonna', Technical Art History Booklet, ARRS, 2016 

Milko den Leeuw (co-production), 'Shedding Light on Caspar Netscher’s early Career', Oud Holland, Vol. 127-1, p.31-45, 2014 

M.E. Wieseman, ARRS (co-production), ‘Shedding Light on Caspar Netscher’s early Career’, Oud Holland, Vol. 127-1, 2014, p.31-45

Milko den Leeuw, 'Jobarde, a Rediscovered Painting by Édouard Manet', Atelier for Restoration & Research of Paintings, 11 March 2013

Milko den Leeuw, Péter Reischig, Lukas Helfen, 'Application of X-ray micro-laminography to samples from the ceiling paintings of the Peace Palace' ESRF, 2009

Milko den Leeuw, Martin Pruijs, 'The Golden Crescent of Amsterdam' / 'De Gouden Bocht van Amsterdam', 15 okt. 2006, Stichting ITARR, 341 pages - edition 4000 prints. Sold out.
Ingeborg de Jongh, 'de Goden gaan op reis', in 'de Gouden Bocht van Amsterdam, p. 164
Milko den Leeuw, 'Een gouden vondst in New York', in de Gouden Bocht van Amsterdam, p. 174

Alberto Bravin, Joris Dik, Milko den Leeuw, 'A New technique in X-ray imaging using synchrotron radiation, poster presented at the 14th Meeting of the International Council of Museum/Conservation Committee, The Hague, 2005

Kristoph Krug, Joris Dik, Milko den Leeuw, Andrea Whitson, John Tortora, Paola Coan, Christian Nemoz, Alberto Bravin, 'K-Edge Imaging of Paint layers for Elemental Analysis', accepted for publication in Journal of Applied Physics, 2005 

Alberto Bravin, Joris Dik, Kristoph Krug, Milko den Leeuw, 'A New X-ray Method for Painting Studies', accepted for publication in Zeitschrift für Kunsttechnologie und Konservierung, 2005

Milko den Leeuw, Joris Dik, Christian Nemoz, Paolo Coan, Alberto Bravin, 'Using XRF and Dual Energy K-edge Absorption Imaging in the Study of Paintings', in: Proceedings of the International Workshop on 'Inter-disciplinarity in non-destructive testing of museum objects', 2004, Paul Scherrer Institut, Villligen, p. 45-48 

Artur K. Wheelock jr, Milko den Leeuw, 'The Magistraat of Deventer by Gerard ter Borch', Exhibition catalogue, The National Gallery of Art Washington & Detroit Institute of Art, USA, 2004 

Milko den Leeuw, Editorial item, 'St. Luke’s new coat', in: Nature, Vol. 417, 2002 

Milko den Leeuw, Wilko Verbakel, Joris Dik, Rene Peschar, Robert Schillemans, Henk Schenk, 'The Digital Reconstruction of a Smalt Discoloured Painting By Hendrick Ter Brugghen', in: Zeitschrift für Kunsttechnologie und Konservierung, Vol. 16, 2002, p. 130-146 

Milko den Leeuw, Joris Dik, 'Door Konst getoverd voor myn ogen': over de schildertechniek van Jacob de Wit, in: J. Boonstra and G. van den Hout (ed.). In de wolken: Jacob de Wit als plafondschilder, Amsterdam, 2000, p. 72-87 

Milko den Leeuw, 'De Machines van Jacob de Wit': over de schildertechniek van Jacob de Wit, in: J. Boonstra and G. van den Hout (ed.). In de wolken: Jacob de Wit als plafondschilder, Amsterdam, 2000 

Milko den Leeuw (co-author), Vassili Zafiropoulos, 'Lasers in the conservation of painted artworks', Butterworth-Heinemann, Oxford, UK, 1998

'Picasso, Matisse, or a Fake? Automated Analysis of Drawings at the Stroke Level for Attribution and Authentication', Ahmed Elgammal, Yan Kang and Milko Den Leeuw, Presented at Association for the Advancement of Artificial Intelligence (AAAI-2018), New Orleans, USA, February 2-7, 2018

'Application of X-ray micro-laminography to samples from the ceiling paintings of the Peace Palace', Milko den Leeuw, Péter Reischig and Lukas Helfen, ANKA, Insitute for Synchrotron Radiation, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany, European Synchrotron Radiation Facility (ESRF), Grenoble, France, Delft University of Technology (TUD), Delft, The Netherlands, 2009-2011

'A New X-ray Method for Painting Studies', Milko den Leeuw, Joris Dik, Kristoph Krug, Alberto Bravin, Zeitschrift fuer Kunsttechnologie und Konservierung, 2005

'K-Edge Imaging of Paint layers for Elemental Analysis', Milko den Leeuw, Kristoph Krug, Joris Dik, Andrea Whitson, John Tortora, Paola Coan, Christian Nemoz, Alberto Bravin, Journal of Applied Physics, 2005

'The Digital Reconstruction of a Smalt Discoloured Painting By Hendrick Ter Brugghen', Milko den Leeuw, Joris Dik, Wilko Verbakel, Rene Peschar, Robert Schillemans, Henk Schenk, Zeitschrift fuer Kunsttechnologie und Konservierung, vol. 16, p. 130-146, 2002

'St. Luke’s new coat', Editorial item, Nature, vol. 417, 2002

'A New technique in X-ray imaging using synchrotron radiation', Milko den Leeuw, Joris Dik, Alberto Bravin, 14th Meeting of the International Council of Museum/Conservation Committee, The Hague, 2005

'Using XRF and Dual Energy K-edge Absorption Imaging in the Study of Paintings', Milko den Leeuw, Joris Dik, Christian Nemoz, Paolo Coan, Alberto Bravin, Proceedings of the International Workshop on ‘Inter-disciplinarity in non-destructive testing of museum objects', 2004, Paul Scherrer Institut, Villligen, p.45-48

A. Esman's interview with Milko den Leeuw, Forbes Magazine, 'This Man Could Save You Millions - Or Help Discover Them', Forbes, July 2012 

'Oude plafonds verhandeld', Parool 17 October 2006

'Geschilderd plafond van de Keizersgracht 412 dreigt uit Nederland te verdwijnen', Binnenstad October 2006

'Plafondschilderingen IV', Vrienden van de Amsterdamse Binnenstad

'17de-eeuws plafond in de Gouden Bocht gerestaureerd'

'Peuteren op de vierkante millimeter', Radio Nederland Wereldomroep

'De restauratie van Ter Brugghens Evangelisten', door B. van Bossum, June 2002, p. 19-21

Atlantis, 'de Blauwe Mantel', 2002

Noorderlicht VPRO T.V.-documentary 'De Mantel van Lucas' in 2002 Milko den Leeuw & Joris Dik e.o. 45 minutes

2009-2011 The Peace Palace Research & Restoration project www.triomfdervrede.nl A twelve-part documentary on the scientific investigation and conservation treatment of the three Gerard de Lairesse ceiling paintings from the Peace Palace, The Hague (2009–2011).

2003-2005 National Gallery of Art Washington / The Detroit Institute of Art, USA Gerard ter Borch project, Deventer Museum

2000-2002 Hendrick Ter Brugghen Research & Conservation Project Deventer Museum / Rijksmusuem Catherijne Convent Utrecht

1998-2000 Museum of the Bible, Amsterdam Jacob de Wit research & conservation project

Jewish Historical Museum, Amsterdam Isaac Israel’s paintings conservation Charlotte Salomon Selfportrait research & restoration in conjunction with paper conservator Nico Lingbeek

Founder and Congress Organizer of Authentication in Art (AiA) Congres, The Hague www.authenticationinart.org

The Authentication in Art (AiA) foundation is an independent non-profit organisation established in early 2012. The foundation complies to national non-profit regulations and is based in The Hague, International City of Peace and Justice (the Netherlands) The AiA Foundation facilitates and controls the AiA Congress organisation that, in close collaboration with AiA workgroups, ensures a high quality congress programme development and delivery process.

Authentication in Art (AiA) comprises a group of prominent art world professionals who joined together to create a platform that can act to catalyse and promote best practices in art authentication. AiA has been created to provide dialogue, develop sound practice guidelines with the worldwide art community including collectors, art historians, art market professionals, financial institutions, legal advisers, trust & estate practitioners and other stakeholders in the art industry.
2012 first edition - Authentication in Art with Rudi Ekkart
2014 second edition - Guidelines Catalogue Raisonne
2016 third edition - Guidelines Education - Guidelines Art & Law
2018 fourth edition
- Guidelines Technical Art History
- Set up and launch 'AiA/Nai CAfA' Dispute Resolution Board
2019
- Publication 'Technical Art History
- A Handbook of Scientific Techniques for the Examination of Work of Art', Authentication in Art, 2018 and second print 2019
2021 online edition - Featuring John Brewer, Willem Charron, Bert Demarsin, Martin Kemp, Jennifer Mass, Tim Maxwell, Anna Pelagotti, Stephan Simon and Piere Valentin. Interviews by Oliver Spapens and script by Milko den Leeuw

Interviews voor Authentication in Art door Milko den Leeuw met:
Louise Prior - World Federation of Diamond Bourses
Prof Dr David Yermack - New york University
Prof em Dr Martin Kemp - Oxford University
Stefan Koldehoff - Die Zeit
Lawrence Shindell - ARIS
William Charron - Pryor Cashman
Prof Dr Jennifer Mass - Winterthur Museum
Dr Daniela Pina - Bolonga University
Prof em Dr Jehane Ragai - University of Cairo
Prof Dr Robyn Sloggett - University of Melbourne
Dr Jane Sharp - Rutgers University
Julian Radcliffe - Art Loss Register
http://authenticationinart.org/about-us/aia-interviews/

2019-2024 in conjunction with the Legal Prosecutor in Brussels, Belgium
On Russian Fakes

2018 May 1st, Launch website - http://ploughinart.org
2014-2016 in conjunction with Bundes Criminal Ambt (BC), Germany and the Federal Bureau of Investigations (FBI), USA
On Russian avantgarde fakes

2010-2012 in conjunction with Trip Lawyers
In 2011 the 20-year-old forgery lawsuit concerning the Dutch group ‘Groninger Ploeg Painters’ was solved by an investigation performed by ARRS.
The applied protocol on the basis of objective technical investigation, provided by ARRS, formed the fundament for this unique jurisprudence, a turning point in the world of art history

1993-1994 in conjunction with Russell Lawyers
The Leickert forgery case. Lawsuit against the Dutch Art Dealer Pieter Overduin. The art dealer was accused of selling a forgery. ARRS supported the lawyers of Pieter Overduin by refuting the pressed charges. The painting was accepted as a genuine Charles Leickert (1816-1907)

2018
Seoul KAMS - workshop organization by AiA
Dubai Art Fair - AiA Law and Authenticity in the Middle East

Christies 8 King Street London, Engeland. 'Authenticating art in the digital age'

2017
Milko den Leeuw & Oliver Spapens, Connoisseurship and Technical Examination: Opposites or Complementary Methods? International symposium on the occasion of the 150th anniversary of Max J. Friedländer's birth, Rijksmuseum Amsterdam, June 8, 2017 

Milko den Leeuw, Università di Bologna, International Congress ‘Truth and Lies in Fakes and Forgeries”, 16th-17th March 2017, Ravenna, Italy 

2016
Milko den Leeuw, Keynote speaker 'History, Current State and Future on Authentication in Art', Art Taipei, Taiwan

2014
Milko den Leeuw, 'Announcement Authentication in Art's International Arbitration and Mediation Board', The Art Business Conference, London, England 

2010-2012
Two Lectures on scientific research matters at The International Court of Justice, The Hague, The Netherlands

1995-2002
Lectures at Universities Concerning authentication research
Forth-Greece
Technical University of Twente - The Netherlands
Technical University of Delft - The Netherlands
ESRF - Grenoble France

1995-2002
Dutch Police Department for Art Theft & Fraud
Two lectures a year on authenticity issues
The department was shut down in 2002

1993-2008
The Dutch Antique Dealers Association
Vereniging van Handelaren in Oude Kunst (VHOK)
Four lectures a year mainly on authenticity