Warning: There are spoilers ahead for Sunday's episode of "The Walking Dead," "The Bridge."Sunday's "The Walking Dead" showed that the biggest threat to Rick's group of survivors may not be the undead, but each other.As Daryl went head-to-head with multiple members of the Sanctuary, it appears as if another mysterious person is taking them out. While you're trying to figure out who may be responsible the missing Saviors and wrap your head around a new potential romance,INSIDER rounded some smaller references to previous seasons and the comics you may have overlooked.There's some really cool artwork in Maggie's new Hilltop quarters you may have missed during a quick moment.Keep reading to see what you may have missed.Rick passes by a sign for the other neighboring communities. We haven't seen one of them on the list.The mention of Toledo should catch the attention of some comic readers.Eventually, in the comics, Rick's group comes across a large group of survivors living in Ohio.We've already seen another hint at Toledo on the episode premiere. There was a windmill with "The Commonwealth" written on it. That's the name of the community from the comics that's located in Ohio.What do we know about The Commonwealth'They're a community of 50,000 led by a woman named Pamela Milton. Though we haven't met anyone yet by that name on the show, we have a feeling we may have already seen a version of Milton on the series on season eight who was also mentioned on Sunday's episode.Jesus mentions Georgie and the twins to Maggie.Georgie (Jayne Atkinson) appeared very briefly last season to give Maggie a book on rebuilding her community.Georgie told Maggie she was going to return at some point to see how they were doing and it looks like she has done just that.Atkinson told INSIDER she and her son originally thought she could have been a version of Pamela. We'll have to wait and see whether or not the Toledo community belongs to Georgie and her twin bodyguards.See the rest of the story at Business Insider Click here to read full news..