The "Compilation of Final Fantasy VII" isn't just the novellas, though they are a part of it if I'm not mistaken (they might as well be...). The Compilation is the bunch of spin-offs, sequels, and of course the game itself.

For the Compilation:

http://www.ff7citadel.com/compilation/index.shtml#misc

Anyway, for those novellas:

http://www.ff7citadel.com/compilation/ac_smile.shtml