Blender 2.8 Beginner Tutorial PART 14: Deleting and Merging Meshes - YouTube
Tutorial: Size 3D Models in Blender – Robert J. Bischoff – Doctoral candidate studying archaeology in the Southwest United States at Arizona State University
Removing bits from object - Need help? We are here. - Shapr3D Community
How to cut out a shape in your object in Blender? - Artisticrender.com