This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these template messages) This article provides insufficient context for those unfamiliar with the subject. Please help improve the article by providing more context for the reader. (August 2020) (Learn how and when to remove this template message) The topic of this article may not meet Wikipedia's general notability guideline. Please help to demonstrate the notability of the topic by citing reliable secondary sources that are independent of the topic and provide significant coverage of it beyond a mere trivial mention. If notability cannot be shown, the article is likely to be merged, redirected, or deleted.Find sources: "Jan Peter Toennies" – news · newspapers · books · scholar · JSTOR (July 2023) (Learn how and when to remove this template message) This biography of a living person does not include any references or sources. Please help by adding reliable sources. Contentious material about living people that is unsourced or poorly sourced must be removed immediately.Find sources: "Jan Peter Toennies" – news · newspapers · books · scholar · JSTOR (August 2020) (Learn how and when to remove this template message) A major contributor to this article appears to have a close connection with its subject. It may require cleanup to comply with Wikipedia's content policies, particularly neutral point of view. Please discuss further on the talk page. (January 2023) (Learn how and when to remove this template message) (Learn how and when to remove this template message)