The closest I remember, from traditionally published books, was Gossamer Axe by Gael Baudino. She wrote a follow up or two.
Though once I found that, Amazon suggested another one, I have actually read called Black Blade Blues by J. A. Pitts. Apparently I missed a follow up book or two there, also.
I'm really glad you asked this question. It's incredibly difficult to find well written books with lesbian characters.