Milky, as far as I know the Arial and TNR Special G2 series include these faces:

arial special g2
arial special g2 italic
arial special g2 bold
arial special g2 bold italic
arial narrow special g2
arial narrow special g2 italic
arial narrow special g2 bold
times new roman special g2
times new roman special g2 italic
times new roman special g2 bold
times new roman special g2 bold italic

Maybe there is also a arial narrow special g2 bold italic (seems logical) but I've never seen it.

All © Monotype 1991-1995. I once found them on Atomic Fonts but have not been able to trace them again. No clue who sells them today.

A more or less comparable character set (and more, also phonetic, typographic symbols, maths, iconics and so on) can be found in the in the Word Perfect specials (© Novell Applications Group 1993-1994), once on every WP distribution.

I know I should not do this... but, when you desperately need the G2 series and can't get them anywhere - well - let me know.