One of the first yuri mangas to have ever been published was "Shiroi Heya no Futari" back in the early seventies. Here is a link to the first (and only) volume of the manga. It has a nice story, however, it is quite heartbreaking.

I created this a few days ago.

याओइ and yuri role playing! all are welcome

*nosebleed*

A very sweet—and sometimes slightly graphic—yuri मांगा I recommend to everyone!