Extensions:2.6/Py/Scripts/3D interaction/Copy Attributes Menu - wiki
Copy Rotation Constraint — Blender Manual
Solved: Is it possible to copy rotation from two objects to a single object at the same time? - Autodesk Community - Maya
Sean's Blender Tutorial : Rotate Duplicate Around Object Using the Array Modifier - YouTube
Tutorial: Use Copy Rotation Constraint In Blender - YouTube
Copy Rotation from object to object — Blender Secrets
Copy Rotation Constraint — Blender Manual
Bone Copy Rotation constraint and bone roll - Animation and Rigging - Blender Artists Community
animation - "copy rotation" bone starts already with a rotation - Blender Stack Exchange
Blender to Unreal Copy Location Rotation Error - Character & Animation - Epic Developer Community Forums
rigging - combine targetless IK chain with copy rotation constraints - Blender Stack Exchange
Implications of turning off the "Influence" of "Bone Copy Rotation Constraints" for certain "Local Axes" - CG Cookie | Learn Blender, Online Tutorials and Feedback