| Judoles | 2006 | Jan Kruse, Jan-Roman Pikula | pencils, ink | Story | 1 | Holland | 2 |
| Untitled cover | 2010 | Jan-Roman Pikula | pencils, ink | Cover | 1 | Holland | 2 |
| Suducku | 2007 | Jan-Roman Pikula | pencils, ink | Game or puzzle | 1 | Holland | 2 |
| Een duistere zaak | 2007 | Bas Schuddeboom, Jan-Roman Pikula | pencils, ink | Game or puzzle | 1 | Holland | 2 |
| Knappe koppen - valentijnseditie! | 2007 | Ferdi Felderhof, Jan-Roman Pikula | pencils, ink | Game or puzzle | 1 | Holland | 2 |
| Willies wereld | 2007 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Survivaltips | 2007 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Illustration | 1 | Holland | 2 |
| Willies wereld | 2007 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Maya's | 2007 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Illustration | 1 | Holland | 2 |
| Klein maar fijn | 2007 | Jan-Roman Pikula | pencils, ink | Cover | 1 | Holland | 2 |
| Weet wat je eet! | 2008 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Willies wereld | 2008 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Uit het handboek van de Jonge Woudlopers - Symmetrie | 2008 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Illustration | 1 | Holland | 2 |
| Willies wereld | 2008 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Duckstadkrant 39e jaargang nummer 3 | 2008 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Text story | 2 | Holland | 2 |
| Uit het handboek van de Jonge Woudlopers - Koraalriffen | 2008 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Cover | 1 | Holland | 2 |
| Paniek in Puindorp | 2008 | Jan-Roman Pikula | pencils, ink | Game or puzzle | 1 | Holland | 2 |
| Willies wereld | 2008 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Knappe koppen | 2008 | Jan-Roman Pikula | pencils, ink | Game or puzzle | 1 | Holland | 2 |
| Uit het handboek van de Jonge Woudlopers - Thee | 2008 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Illustration | 1 | Holland | 2 |
| Willies wereld | 2008 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Willies wereld | 2009 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Willies wereld | 2009 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Willies wereld | 2009 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Duckstadkrant 40ste jaargang nummer 5 | 2009 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Text story | 2 | Holland | 2 |
| Uit het handboek van de Jonge Woudlopers - Elektriciteit | 2009 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Illustration | 1 | Holland | 2 |
| Willies wereld | 2009 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Willies wereld | 2009 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| De geheimzinnige rover | 2009 | Jan-Roman Pikula | pencils, ink | Cover | 1 | Holland | 2 |
| Willies wereld | 2010 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Waterval | 2010 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Illustration | 1 | Holland | 2 |
| Willies wereld | 2010 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Weet wat je zegt! | 2010 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Willies wereld | 2010 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Knappe koppen | 2010 | Jan-Roman Pikula | pencils, ink | Game or puzzle | 1 | Holland | 2 |
| Glas! | 2011 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Illustration | 1 | Holland | 2 |
| Willies wereld | 2011 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Neerslag | 2011 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Illustration | 1 | Holland | 2 |
| Angkor Wat | 2011 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Illustration | 1 | Holland | 2 |
| Saturnus | 2011 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Illustration | 1 | Holland | 2 |
| Willies wereld | 2011 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Cleopatra | 2011 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Illustration | 1 | Holland | 2 |
| Untitled illustration | 2011 | Jan-Roman Pikula | pencils | Illustration | 2 | Holland | 2 |
| Willies wereld | 2012 | Jim van der Weele, Carl Barks | pencils, ink | Text story | 1 | Holland | 2 |
| Temperatuur | 2012 | Jos Beekman, Jan-Roman Pikula | pencils | Illustration | 1 | Holland | 2 |
| Schrikkeljaar | 2012 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Illustration | 1 | Holland | 2 |
| Eieren | 2012 | Jos Beekman, Jan-Roman Pikula | pencils | Illustration | 1 | Holland | 2 |
| Knappe koppen | 2012 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Game or puzzle | 1 | Holland | 2 |
| Willies wereld | 2012 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Zomerpret | 2012 | Jan-Roman Pikula | pencils, ink | Illustration | 2 | Holland | 2 |
| Plastic | 2012 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Illustration | 1 | Holland | 2 |
| Willies wereld | 2012 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Huisdieren | 2012 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Illustration | 1 | Holland | 2 |
| Siberië | 2012 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Illustration | 1 | Holland | 2 |
| Pinguïns | 2013 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Illustration | 1 | Holland | 2 |
| Willies wereld | 2013 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |
| Untitled cover | 2013 | Jan-Roman Pikula | pencils, ink | Cover | 1 | Holland | 2 |
| 400 jaar grachtengordel | 2013 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Illustration | 1 | Holland | 2 |
| Vreemde vogels | 2013 | Jos Beekman, Jan-Roman Pikula | pencils, ink | Illustration | 1 | Holland | 2 |
| Dat zoeken we op! | 2013 | Jim van der Weele, Jan-Roman Pikula | pencils, ink | Text story | 1 | Holland | 2 |