Dakova, Bisera. “The German Art Nouveau and Its Reflections in Bulgarian Literature at the Beginning of the 20th Century. Two Literary Paths: Teodor Trajanov and Emanuil Popdimitrov”. Zeitschrift für Balkanologie, vol. 52, no. 1, Oct. 2016, https://zeitschrift-fuer-balkanologie.de/index.php/zfb/article/view/449.