Referenciák:

Magyarország:

• Prímási Levéltár, Esztergom
• MFB (Magyar Fejlesztési Bank), Budapest
• Magyar Szabadalmi Hivatal, Budapest
  

Németország:

• Administration of the Kreis Soest, Archive
  
• Alfred Wegener Institute, Bremerhaven
  
• Aventis Pharma Germany, Frankfurt
  
• Bavarian State Library, Munich
  
• Berlin Archdiocesan Counsel
  
• Biotest Pharma GmbH, Frankfurt
  
• Center of Enviromental Research, Leipzig
  
• Central German Radio, Leipzig
  
• City Archive, Bornheim
  
• City Archive, Leipzig
  
• City Archive, Paderborn
  
• Cologne School and Donation Fund
  
• Cologne University and City Library
  
• Constance University
  
• Cottbus University
  
• Degussa Hüls AG
  
• Deutsche Post Global Mail, Bonn
  
• Diocesan Archive, Hildesheim
  
• Diocesan Archive, Passau
  
• Dortmund University
  
• Düsseldorf University
  
• Essen University
  
• Eurohypo AG, Frankfurt
  
• Evangelical Central Archive, Berlin
  
• Federal Civil High Court, Berlin
  
• Film and Television Academy (HFF) Library, Babelsberg
  
• Foreign Office, Berlin
  
• Fraunhofer Research Institute, St. Augustin
  
• Friedrich Ebert Foundation, Bonn
  
• German Air Force Museum, Berlin
  
• German Army Academy for Information and Communication Studies, Strausberg
  
• German Army Leadership Academy, Hamburg
  
• German Army Museum of Military History, Dresden
  
• German Army Technical Information Center, Bonn
  
• Government Audit Office, Bonn
  
• HBZ (Centre of University Libraries in Northrhine - Westphalia), Cologne
  
• Induprint GmbH, Munich
  
• Institute for Oceanography, Kiel
  
• IVG Holding AG, Bonn
  
• Library of Institutes "Englischer Garten", Munich
  
• Lilly Research GmbH, Hamburg
  
• Lower Rhine Technical College, Mönchengladbach
  
• Lower Saxony State Ministry of Nourishment, Agriculture and Forestry, Hannover
  
• Ministry of Justice, Berlin
  
• Ministry of Trade and Industry, Berlin
  
• Münster University
  
• Museum for Communications, Berlin
  
• National Library of Germany, Leipzig
  
• Natural History Institute, Gatersleben
  
• Oldenburg High Court
  
• Palace Museum Society, Jever
  
• Pfizer/Gödecke/Parke-Davis, Freiburg
  
• Prompter AG, Mainz
  
• Regensburg University
  
• Research Center Jülich
  
• Research Center GKSS, Geesthacht
  
• Rhine-Westphalen Technical College RWTH, Aachen
  
• Roche Diagnostics GmbH, Penzberg
  
• Rosenheim Technical College
  
• Saxony State Library / State and University Library, Dresden
  
• Schleswig-Holstein State Labaroatory, Neumünster
  
• Senkenberg Library, Frankfurt
  
• Sisis Informationssysteme GmbH, Oberhaching
  
• State Government, Glauchau
  
• Thuringian land survey office
  
• Tübingen University
  
• University Archive, Heidelberg
  
• Volksbank Siebengebirge, Bad Honnef
  
• Wuppertal University
  
• Würzburg University
  
  

Európa:

• Archive CD Books Ltd., England
  
• Archive of the Diocesan Curia, Novara, Italy
  
• Austrian National Library, Vienna
  
• Cultural and Educational Technology Institute, Greece
  
• Library University Wageningen, Netherlands
  
• Parliamentary Library, Vienna, Austria
  
• Société Nationale des Chemins de Fer (SNCF), France
  
• Steiermark State Archives, Graz
  
• University Library, Innsbruck, Austria
  
  

Világviszonylatban:

• Chiron Corporation, California
  
• Institute of Aboriginal and Torres Strait Islander Studies (AIAITSIS), Australia
  
• New York Botanical Garden, LuEsther T. Mertz Library, New York/USA
  
• Suprema Corte de Justicia de la Naciòn, Mexico