1. Click Queries
  2. Click Manage Queries
  3. Select a category that you want to store this query in
  4. Click New Query under the tasks menu
  5. Name the query
  6. Set the Starting Query to Base/All Constituents
  7. Under Results, set the Data Return Type to Accounts
  8. Under Criteria Options mark Match at least one criteria
  9. Under Browse Fields select Account from the drop down menu and click on Account Recognition
  10. Select Anonymous
  11. Under Browse Fields select Journal from the drop down menu and click on Journal Recognition Type 
  12. Select Anonymous
  13. Click Save and Preview

By using the Journal Recognition Type we are looking for anyone who has any donation marked as Anonymous. To find only people marked Anonymous as the account level, we can leave Journal Recognition Type out of the query.