Select objects in the same collection, in 3D view port - Basics & Interface - Blender Artists Community
Collections & Selection of Objects - Select Parent Collection & Locate in Outliner - User Feedback - Developer Forum
outliner - Is it possible to select an object in the 3D view, and see it highlighted in the outline view if it is inside a collection? - Blender Stack Exchange
Selecting objects in a collection
Wireframe color per collection — Right-Click Select
CG Cookie - ✨ Blender tip of the day: How to easily select all objects in a collection! Often you may need to select all objects inside a Blender collection. One way
Blender apply material to all selected objects - cgian.com
Collections & Selection of Objects - Select Parent Collection & Locate in Outliner - User Feedback - Developer Forum
how to selecting a collection via python?? - Python API - Developer Forum
geometry nodes - how to select a collection depending on the material_index - Blender Stack Exchange
How to select multiple objects in Blender - cgian.com