This site has every Sony walkman tape minidisc and more also blanktapes of all descriptions

http://oonekotarou.blog16.fc2.com/?m&no=10

Nice site, looks like he's just snagged the pics from here - http://www.asahi-net.or.jp/%7E.../walkman/walkman.htm but without the info

The professional prototype walkmans near the bottom of the page are pretty cool:

this page http://oonekotarou.blog16.fc2.com/?m&no=10

would be helpfull to know what - Headphone and Remote-control inline - goes to which walkman as I have several that are seperated or that is I dont remember which headphone remote went with what Cassette walkman