In the waning days of the Apple ][, cassettes were used quite prevalently. This continued into the realm of the Apple ][ plus for a short time. Now thanks to purchases made of some of these collections by Apple ][ fans, many of the cassettes are being archived.
One such fan who has archived materials from a good number of vintage computers is a New Zealand man living in Tokyo, Philip Lord. His tape collection ha reached levels unrivaled by all except possibly Antoine Vignau of Brutal Deluxe. Like many others who collect such items, he has tried to recover many of the materials on the tapes, many with programs that were not very prevalent at the time.
He has made them all available on his website storage at:
He has also provided Dos Ordered disks (.do) for Apple ][ emulator users who don’t want to go through the hassle of loading the AIFF files individually.