One example:
http://bobbistarr.adultblogcenter.com/tag/facesitting/
You could also try doing a Google Image search on, for example, ""Bobbi Starr" facesitting," which will result in many images. Clicking on an image will often give you information on the scene/movie. But make sure your spyware and virus-protection is up-to-date.
You could check her listing on IAFD, but mere titles are often uninformative, so you'll have to read some reviews to get specific scene details.
Also you can ask her yourself. She checks into the forum quite often. One wouldn't expect her to to remember every scene she's ever shot, but she might recommend some career highlights.

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