Items available from the Object List window () menu:
(Default) Lists all items in the scene.
Filters the Object List to display no individual objects. Items such as selection sets still display.
Toggles display of materials.
Toggles display of cameras.
Toggles display of lights.
Toggles display of models.
Toggles display of image planes.
Toggles display of stencils.
Toggles display of subdivision levels.
Toggles display of transformation values for items in the 3D View (cameras, lights, and models. Turn on to view the transformation values for a model.