Peterson Field Guide To Mushrooms Of North America, Second Edition: The Classic Illustrated Nature Reference for Safe Foraging

You can usually find some field guides on Amazon, I use Peterson Field Guide to Mushrooms of North America, there's also Mushrooms of Ontario and Eastern Canada which I believe includes Nova Scotia. Mushroom Expert is a good resource, mostly focused on the PNW but does provide good tips on many genera. Mushrooms of North America Mushrooms of Eastern Canada As for your finds, they would be Amanita species, most likely in section Amanita I would say. Edit: maybe not 5 and 7 though, not sure what those are.