Secret Seashell 41 - The Legend of Zelda: Link's Awakening Wiki Guide - IGN
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 Trading Sequence Guide - The Legend of Zelda: Link's Awakening Wiki Guide - IGN
Link's Awakening Trading Sequence Guide - The Legend of Zelda: Link's Awakening Wiki Guide - IGN
Link's Awakening trade up to get the Magnifying Glass and Boomerang walkthrough - Polygon
Link's Awakening Switch: How to Get the Boomerang via Trading
Link's Awakening Trading Sequence - Zelda Dungeon Wiki, a The Legend of Zelda wiki
Link's Awakening trade up to get the Magnifying Glass and Boomerang walkthrough - Polygon