Huber E. Briefe an die tote Frau: Vol. 4 (1913) [Internet]. BOP Books; 2021 [cited 2025 May 6]. ( , editor. Eugen Huber: Briefe an die tote Frau; vol. Bd. 4 (1913). Available from: https://www.books.unibe.ch/index.php/BB/catalog/book/7