You can select all of the objects contained by a reference file so that you can quickly view the reference organization of your parent scene.
To select file reference contents from the Outliner
-click the reference, and then select Reference > Select Reference Members from the menu that appears.
The referenced file members are selected in the scene view and Outliner.
To select file reference contents using the Reference Editor
Except where otherwise noted, this work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License