Der Knabe, die Meerfrau und Ritter Roth

From Author Wars - https://authorwars.com/books/der-knabe-die-meerfrau-und-ritter-roth-2340882.html

Overview:

Title: Der Knabe, die Meerfrau und Ritter Roth
Author: J. C. Poestion
Year: 1886
Type: Short Fiction

Variant Titles:

1904. The Mermaid and the Boy