https://nchfp.uga.edu/publications/publications_usda.html
USDA Complete Guide to Canning - Complete safety instructions and a lot of recipes. Ball Blue Book of Canning is a good source for recipes. Also the literature that comes with your canner.
Don’t use recipes from unknown sources and especially old recipes.
freshpreserving.com
lots of recipes there too.
I have that book and the book that comes with the canner.
They are both essentially the same.