This non-commercial website is privately maintained and financed. It documents the history of the designer Tom Tjaarda. It is dedicated to all friends of Italian design and classic cars.


© 2004–2017 Stefan Dierkes. All copyrights including print, film, radio and television and all known electronic media including reproduction of parts and publication are limited to the author.

This website is a scientific work according to the German copyright law (UrhG § 2, § 4) aimed to fully document the sources regarding the designer Tom Tjaarda which are spread in the literature and in archives. The goal is to compile a systematic catalogue of Tom Tjaarda´s work, to gain and spread insights about his work and to encourage the conservation of his works (cf. the companion website www.pietro-frua.de which is in a further stage of research). All texts and image assignments are scientific hypotheses (cf. Karl R. Popper), which can be disproved by new sources. Insofar the desription will be corrected and expanded according to the gathering of newer insights.

Some redundancy will be accepted in some cases in order to fully present the source material.

Texts and pictures of other authors are used as scientific citations according to the German copyright law (UrhG § 51; cf. US copyright law § 107 Fair Use) and are marked accordingly. Photographers or copyright holders, if known, are marked by a preceding copyright symbol ©. From its missing – which is often due to a lacking documentation in the used sources – it cannot be concluded that the material can be freely reproduced. Copyright holders who have been omitted by nescience are kindly asked to contact the author of this website.

The location of a source is marked by a preceding “Archive”.

Earlier publications are listed with a preceding “Sources”. Sources consulted are listed as References.

Unknown authors and car owners are referred to as N.N. (lat. nomen nescio = “I do not know the name”). Known car owners who do not want to be named will be referred to with their initials or as Anonymus.

Publications, which are based on the research of the author will be listed at the end of the respective car monograph below the headline “Publications”.

The usage of this website is allowed for private and scientific purposes only. Any usage for other purposes, particularly those of a commercial nature, needs the previously written allowance of the author.

Links to other Sites

Hyperlinks to other websites shall point to further information. They were checked at the time of linking according to their content and function. Please send an e-mail to info@tom-tjaarda-net if a link does not fulfill your needs or if a link target does not exist any longer, so that it can be corrected.

Technical Requirements

This website is optimized for the webrowsers Internet Explorer 5, Netscape 6.1 and Firefox 1.0 or newer versions. Java Script must be activated in the options of your browser for opening the images in full size.


This website is a „living document“, which represents my actual knowledge. I am happy about any mail. I will be grateful for all corrections and additions. Collaborators are warmly welcome.

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Stefan Dierkes
Eichendorffstr. 57
71665 Vaihingen an der Enz
E-Mail: info@tom-tjaarda.net