Minecraft wiki entry for Iron_golem_farming, associated text: 1 Java Edition
2 Bedrock Edition
2.1 Spawning requirements
2.2 Village center
2.3 Maximizing rates
2.4 Survival mode build: Iron golem village
3 Videos
3.1 Java Edition videos
3.2 Bedrock Edition videos
3.2.1 1.16 iron farm mechanics
3.2.2 Specific 1.16 variations
4 See also