- 28/08/17 : Publication of the letters of Rops to Léon Dommartin that are stored in the Cabinet of Manuscripts of the Royal Library of Belgium in the collections: II/6655/470.
- 24/08/17 : Publication of the letters of Rops that are stored in the Archives of the Royal Museums of Fine Arts in Belgium and the Archives of Contemporary art in Belgium.
- 03/08/17 : Publication of the letters of Rops that are stored in the Library of the National Institute of art history in Paris.
- 26/07/17 : Publication of the letters of Rops to Edmond Picard that are stored in the Archives and the Museum of Literature in the collections : ML/00631.
- 20/07/17 : Publication of the letters of Rops to Armand Gouzien that are stored in the Cabinet of Manuscripts of the Royal Library of Belgium in the collections: II/6958.
- 19/07/17 : Publication of the letters of series II of the Cabinet of Manuscripts of the Royal Library of Belgium in the collections: II/6655/452 à 467 and II/6714.
- 29/06/17 : Publication of the letter of Rops to Théo Hannon (not located) after a copy that is stored in the Catholic University of Louvain : Ori155/Chr106.
- 27/06/17 : Publication of letters of Rops to Octave Mirbeau (not located).
This correspondence is enriched with notes of Hélève Védrine, « Correspondance Octave Mirbeau – Félicien Rops, 1885-1887 » in : Cahiers Octave Mirbeau, n° 5, 1998, p.180-205.
- 16/05/17 : Publication of letters of Rops to Théo Hannon that are stored in the Archives and the Museum of Literature in the collections :ML/00026.
- 15/05/17 : Publication of a letter from Rops to Charles De Coster, of series IV of the Cabinet of Manuscripts of the Royal Library of Belgium, announcing the birth of the Uylenspiegel : IV/1286.
- 09/05/17 : Publication of the letters of series II of the Cabinet of Manuscripts of the Royal Library of Belgium of the collections: II/2927/120, II/6731, II/6922 and II/6945.
- 04/05/17 : Publication of the letters of Rops to Armand Rassenfosse that are stored in the Cabinet of Manuscripts of the Royal Library of Belgium in the collections II/6957and two letters from the private collection CPI.
- 31/03/17 : Publication of the letters of Rops to Nadar of the national Library of France that are stored in the collections: NAF/24284.
- 15/03/17 : Publication of new letters of Rops purchased by the Félicien Rops Museum: Amis/LI/006 /LE/001 to 021, Lepr/283 and Amis/LE/024 à 027.
- 28/02/17 : Publication of four letters of Rops of the f the Cabinet of Manuscripts of the Royal Library of Belgium of the collections II/6425.
- 15/12/16 : Publication of the letters of Rops of the old collection of the Museum of Letters and Manuscripts.
- 08/09/16 : Publication of the letters of Rops that are stored in the Archives and Museum of Literature of collections : ML/03018, ML/03045, ML/03091, ML/03195, ML/03201, ML/03256, ML/03270, ML/03713, ML/03718, ML/03719, ML/04435, ML/04483, ML/04631.
- 06/09/16 : Publication of the letters of Rops that are stored in the Archives and Museum of Literature of collections : ML/00623, ML/00694, ML/00695, ML/00784, ML/00813, ML/02073, ML/02081, ML/02082, ML/02124, ML/02210, ML/02237, ML/02474.
- 30/08/16 : Publication of six new letters of Rops that were purchased by the Félicien Rops Museum : Amis/LE/10 to 14 and Amis/D/004.
- 30/06/16 : Publication of the letters of Rops that are stored in the Illustration Cabinet of the Royal Library of Belgium.
- 27/06/16 : Publication of two new letters of Rops of the Cabinet of Manuscripts of the Royal Library of Belgium stored of collections : III/424.
- 03/05/16 : Publication of the letters of the series II of the Cabinet of Manuscripts of the Royal Library of Belgium of the fonds : II/7048, II/7051, II/7055, II/7109, II/7133, II/7146, II/7165, II/7723, II/7735.
- 02/05/16 : Publication of the letters from Rops to Joséphin Péladan, which are stored in the Cabinet of Manuscripts of the Royal Library of Belgium – II/7043. This correspondence is enriched with notes of Hélène Védrine from the published work : Védrine Hélène, Correspondance inédite. Félicien Rops – Joséphin Péladan (1884-1889), lettres inédites réunies, présentées et annotées, Paris, Séguier, 1997.
- 15/03/16 : Publication of the letters of the series II of the Cabinet of Manuscripts of the Royal Library of Belgium of the fonds : II/7005, II/7030, II/7033, II/7034, II/7035, II/7036, II/7037.
- 19/01/2016 : Publication of three new letters that were bought by the Félicien Rops Museum
- 14/01/2016 : Publication of letters from Rops to Rodin from the Rodin Museum in Paris.
- 17/12/2015 : Publication of the letters that are stored in the serie III of the Cabinet of Manuscripts of the Royal Library of Belgium. Online publishing of the volumes III/215/1 till III/2015/12 and of the letters of collections III/1802 and III/1898.
- 01/03/2014 : Publication of letters stored at the Félicien Rops museum.