User blog comment:B214/Question and Answers 2/@comment-3965848-20140527162555/@comment-16281343-20140527163216

AFAIK, there's no direct way to do that.

But you can either :
 * Go to that specific page and click the drop down list on the edit button and pick history. There, you can see all changes and just search for the particular user.
 * Go to User's page and click the contriburion tab and search their for the particular page.