: Today, these magazines are highly sought after by social historians and vintage magazine collectors due to their role in documenting the evolution of mid-century European social norms.
The (Friends of the Sun) series was primarily published by Sonnenfreunde-Verlag in Hamburg. sonnenfreunde sonderheft magazine 23 link
: Some older issues have been digitized for historical preservation. You can occasionally find them on community-driven archives like Archive.org , which hosts various German naturist periodicals. : Today, these magazines are highly sought after
Because these are vintage publications, "links" typically refer to either digital archives or listings on collector marketplaces. sonnenfreunde sonderheft magazine 23 link