Mob spawners in Minecraft: Everything you need to know
Monster Spawner – Minecraft Wiki
Silk Spawners Mod ~ 1.6.3 Aether Fix: Mounting Update Part 1 - Minecraft Mods - Mapping and Modding: Java Edition - Minecraft Forum - Minecraft Forum
Mine Spawners - Minecraft Mods - CurseForge
Spent countless hours getting a silk touch enchant so I could harvest a monster spawner... when I finally did the spawner only spawns pigs. : r/Minecraft