original_query: What is the significance of the conversation in St. Marien zu Erfurt mentioned in the text?
query: What is the significance of the conversation in St. Marien zu Erfurt mentioned in Dorschel's work?
answer: The provided text does not explain the significance of the conversation in St. Marien zu Erfurt.  It only mentions that a conversation titled "Wolframus. Gespräch in St. Marien zu Erfurt" is included in Lettre International 126.