| 1969 |
 Cover of Spirou no 1630 'Cosmos'
Third prize winner and Cosey's first publication. |
| 1971 |
Publication in Le Soir Jeunesse: Monfreyd & Tilbury: 'Tir de barrage' (8
pages on scenario of A.P. Duchâteau) |
| 1971 |
Publication in Le Soir Jeunesse: Monfreyd & Tilbury: 'Barrage au Canada' (8
pages on scenario of A.P. Duchâteau) |
| 1971 |
Publication in Le Soir Jeunesse: Monfreyd & Tilbury: untitled story (8 pages
on scenario of A.P. Duchâteau) |
| 1971 |
Publication in '24 Heures': Paul Aroid: 24 heures avec... (12 pages) |
| 1972 |
Publication in '24 Heures': Paul Aroid: Le retour de la Bête (32 pages) |
| 1973 |
Publication in '24 Heures': Paul Aroid: Un rire au fond du lac (44 pages) |
| 1973 |
Publication of 'Un shampooing pour la couronne' |
| 1974 |
Publication in '24 Heures': Saphorin Ledoux: 'Perles à rebours aux Tuamotu' (43
pages) |
| 1974 |
  critics: Copyright nos 5-6-7: 'Derib + Cosey'
Published by Pierre-Yves Yetzer |
| 1975 |
 Journal Tintin: publication of Jonathan 1:
Souviens-toi, Jonathan...
no 112 to 123 |
| 1975 |
Bal de l'entraide, Lausanne
offset poster (sepia) |