Link's Awakening Boomerang and item trading guide - Polygon
Zelda: Link's Awakening Trading Sequence guide: how to get the Boomerang by swapping items | RPG Site
Link's Awakening: How to Get the Boomerang | Digital Trends
How to complete the trading quest in Link's Awakening | iMore
Zelda: Link's Awakening trading sequence quest: Where to trade the Yoshi Doll, Ribbon, Dog Food, Bananas and other items for the Magnifying Lens • Eurogamer.net
Mr. Write's House - Zelda Dungeon Wiki
How to complete the trading quest in Link's Awakening | iMore
Zelda: Link's Awakening trading sequence quest: Where to trade the Yoshi Doll, Ribbon, Dog Food, Bananas and other items for the Magnifying Lens • Eurogamer.net
Link's Awakening trade up to get the Magnifying Glass and Boomerang walkthrough - Polygon