Empty object is invisible - Blender Stack Exchange
selection tools - I have a large scene with a hierarchy of nested Empties. I need to select and delete all the objects under Empties with a specific name - Blender Stack Exchange
Groups in Blender - Parent to Empty - Switch to Blender - YouTube
Empty objects, grouping, mirroring and deleting workflow compared to Maya - Modeling - Blender Artists Community
Blender 2.8 parent visibility - User Feedback - Developer Forum
How can I convert empty images so that they would show in the render? - Blender Stack Exchange
How to Rotate Multiple Objects Around a Central Point Using Blender - Henry Egloff
Blender 3D Parenting objects to an empty - YouTube
Adding Empties - Blender 3D Printing by Example [Book]