From: utzoo!decvax!duke!harpo!npoiv!npois!houxm!houxa!houxi!houxz!ihnp4!ixn5c!inuxc!pur-ee!uiucdcs!bcase
Newsgroups: net.micro
Title: Re: IBM PC file formats - (nf)
Article-I.D.: uiucdcs.1354
Posted: Tue Jan 18 18:26:48 1983
Received: Fri Jan 21 07:08:57 1983

#R:inuxd:-22900:uiucdcs:10400031:000:80
uiucdcs!bcase    Jan 18 16:25:00 1983

There IS a net.micro.pc newsgroup; I think it is just what you are looking for.