It is our goal to publish the work catalog as complete and accurate as possible. Therefore we ask the owners of original paintings, drawings and sculptures to send us information and/or a photograph of their work, if one of the following applies:
The following information is relevant to us:
Information on test prints and misprints of graphics are also of interest.
The information gathered will not be used for any other purpose than for the assembling of the catalog raisonné. Your privacy will not be invaded, nor will you be contacted by dealers or other collectors, including Marco Witzig, unless you indicate otherwise.
There are two ways to contact us: You can either send an email to
or you can use the form below, if you want to submit comments and/or files anonymously.
Thank you for your support!