cahn

I wonder whether that means that whoever was her source and wrote it down for her - I imagine Wilhelmine didn't go herself to an army barrack - copied it badly, or whether she was just told it verbally and writes it out of her memory twenty years later?

Good question! I've just compared the two French texts, and my impression is that they're way too similar for me to think Wilhelmine is recording something she heard orally long ago. The two transcriptions look to me like the product of two different written copies of the text, where scribal errors and/or different interpretations of not totally legible handwriting crept in.