From my archive:
- Format: Book
- Designer/s: Karel Martens and Aagje Martens
- Year: 2021
Designer: Karel Martens
From my archive:
- Format: Phone Cards
- Designer/s: Karel Martens
- Year: 1990's
From my archive:
- Format: Book
- Designer/s: Karel Martens
- Year: 2015
From my archive:
- Format: Book
- Designer/s: Karel Martens
- Year: 2010
From my archive:
- Format: Book
- Designer/s: Karel Martens
- Year: 2013
From my archive:
- Format: Book
- Designer/s: Karel Martens and Jaap van Triest
- Year: 2019
From my archive:
- Format: Book
- Designer/s: Karel Martens and Jaap van Triest
- Year: 2019
From my archive:
- Format: Book
- Designer/s: Karel Martens
- Year: 2004
From my archive:
- Format: Magazine
- Designer/s: Karel Martens, Werkplaats Typografie
- Year: 2005
From my archive:
- Format: Magazine
- Designer/s: Karel Martens, Aagje Martens, Marius Schwarz
- Year: 2018
From my archive:
- Format: Magazine
- Designer/s: Karel Martens and Aagjes Martens
- Year: 2015
From my archive:
- Format: Magazine
- Designer/s: Karel Martens & Aagjes Martens
- Year: 2014
From my archive:
- Format: Magazine
- Designer/s: Karel Martens, Stefano Faoro, Werkplaats Typografie
- Year: 2011
From my archive:
- Format: Magazine
- Designer/s: Aagje Martens, Karel Martens
- Year: 2011
From my archive:
- Format: Magazine
- Designer/s: Karel Martens, Aagje Martens, Werkplaats Typografie
- Year: 2010
From my archive:
- Format: Magazine
- Designer/s: Karel Martens, Louise Dossing, Susanne Stetzer, Werkplaats Typografie
- Year: 2006
From my archive:
- Format: Magazine
- Designer/s: Karel Martens, Jeff Ramsey, Werkplaats Typografie
- Year: 2005
From my archive:
- Format: Magazine
- Designer/s: Karel Martens, Radim Pesko, Werkplaats Typografie
- Year: 2004
From my archive:
- Format: Magazine
- Designer/s: Karel Martens, Mikhail Illiatov, Werkplaats Typografie
- Year: 2003
From my archive:
- Format: Magazine
- Designer/s: Karel Martens
- Year: 1992
From my archive:
- Format: Magazine
- Designer/s: Karel Martens
- Year: 2011