- Elena Hlodec – Painter, Graphic Artist and Designer
- Les Ateliers Intaglio – Art * Loisir * Culture – Evry, Île-de-France
- Ex Libris, Artists & Collectors – Books, Bibliomania, Ex Libris and the art of engraving
- A.I.E. Assoziacione Italiana Ex Libris
- A.F.C.E.L. Association Française pour la Connaissance de l’Ex-Libris
- GRAPHIA- BOEKMERK
- Exlibriswereld
- American Society of Bookplate Collectors & Designers
- The International Ex Libris Museum, Sint-Niklaas, Belgium
- Museo Ex Libris Mediterraneo di Ortona
- Cervantes Ex Libris
- InPressione – grafica inSIEME – Colloquia Graphica et Exlibristica