Vorm In Vlaanderen 4, 1982

Corporate Design Systems 1, 1979

Octavo Issue 86.1, 1986

Octavo Issue 86.2, 1986

Octavo Issue 87.3, 1987

Typographica 3, June 1961

B4 Basic Design Elements and their Systems, 1977

Novum Gebrauchsgraphik, August 1972

IDEA 150, 25th Anniversay, 1978-9

Gebrauchsgraphik, April, 1971

Novum Gebrauchsgraphik, July, 1972

The Corporate Design Programme, 1987

Octavo, Issues 1-7

American Trademarks & Logotypes, 1987

Roman Duszek, 2023

Graphic Design 68, 1977

Graphic Design 37, 1970

Graphic Design 78 1980

IDEA 323, Wim Crouwel, 2007

Guidelines and Standards, Munich 1978 (2019 Reprint)

Graphic Design Issue 55, 1974

Novum Gebrauchsgraphik, November, 1971

Graphic Design 28, 1976

IDEA 142, SDP Election Campaign, 1977

Idea 133, 1975

IDEA 154, 1979

Novum Gebrauchsgraphik, October 1982

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Novum Gebrauchsgraphik, June, 1972

Novum Gebrauchsgraphik, January 1988

Novum Gebrauchsgraphik, October 1971

Novum Gebrauchsgraphik, September 1985