In this how-to video, This Old House general contractor Tom Silva makes a perfect-patch plaster repair.
Plaster repair – Part 1 – Under New Management
100 Year Old House, Drop Ceiling, Ceiling Tile, Lath and Plaster
Plaster Vs Drywall: Historic House Repair, Tips & Restoration
Historic Home Restoration & Painting Company - Greater Boston
How to Repair Holes in Lath and Plaster Walls (Two Ways) - This
Looking for advice on patching this hole in the wall of an old
How to Repair Plaster Cracks
Plaster Repair for DIYers - No Need to Rip It Out - Old Town Home
Did They Really Use Horsehair? — Denison Homestead Campus
DIY Plaster Walls With Drywall Mud - Thistlewood Farm