To make me feel a bit more like an academic I have uploaded my translation of “Memoires” to Academia.edu. It is actually a slightly updated version ( with 2 minor corrections to the text) – so if you really must have have the most “correct” version you can download it from there.
You can find it at:
https://www.academia.edu/11522988/Memoires_-_Guy_Debord_and_Asger_Jorn_English_Facsimile_