ClaM - A Classification Manager
Manual - Browser - Locate
If you need to locate the position of the currently selected class in the hierarchy of the classification, just select From top in the View menu, or press the / key on your keyboard.
In case you need to find classes of a certain class kind, select Scroll to from the View menu and select the required class kind. For example this tool lets you sequentially go through the chapter levels to check if they are styled in the same fashion.