In 1996, David J. Buch discovered this manuscript in the Hamburg State Library, which is now available for free download:

https://digitalisate.sub.uni-hamburg.de/recherche/detail?tx_dlf%5Bdouble%5D=0&tx_dlf%5Bid%5D=17873&tx_dlf%5Bpage%5D=5&tx_dlf%5Bpagegrid%5D=0&tx_dlf_navigation%5Bcontroller%5D=Navigation&cHash=c9c6d9ccdec1075835bedcded6911a71

However, the title No. 18 with Forte’s aria “Die Lieb ist wohl ein närrisch Ding” (Love is probably a foolish thing) is missing, which is present in the Frankfurt manuscript.