There are two more recordings of 人間失格 Ningen Shikkaku, read by kazetotanpopo
and saran-ai - no idea if they're still online.
As to http://www.koetaba.net/3book/dazai/ningen/ningen.html - there are two files there: .ram and .rm.
.ram is a text file, it contains something like this:
rtsp://real.nifty.com/RealDocs/koetaba/2book/dazai/ningen/ningen1.rm
.rm is an audio file.
There is a good professional recording of 斜陽 Shayō by kotobanomori. No idea if it is still online. I remember posting it somewhere with a Japanese and English texts.
and saran-ai - no idea if they're still online.
As to http://www.koetaba.net/3book/dazai/ningen/ningen.html - there are two files there: .ram and .rm.
.ram is a text file, it contains something like this:
rtsp://real.nifty.com/RealDocs/koetaba/2book/dazai/ningen/ningen1.rm
.rm is an audio file.
There is a good professional recording of 斜陽 Shayō by kotobanomori. No idea if it is still online. I remember posting it somewhere with a Japanese and English texts.