@hovis There are so many cookbooks available even when narrowed down to these two categories. Two ideas from me, along with doing an internet search for "meat" or "vegetable" recipes or "meat" and "vegetable" cookbooks, would be to go to your local library and browse, and take out the books you think might suit you first. If you find your personal "bible" then you can purchase it. Cookbooks are so expensive and you want ones that are "keepers".
Also, browse the cooking section of a book store like Barnes and Noble has that are in print.
An online vintage cookbook search might yield some good
titles for you.
You can get e-mails (and maybe they still mail pamphlets) from beef, poultry, or lamb associations. The Australian one for lamb has some excellent recipes.
I am a real cookbook collector and have at least a couple of hundred or more.
Sometimes it is serendipity--browsing at a summer fair or library sale the perfect book(s) just might find you. Some of my most used, well loved, were discovered this way.
Here is hoping you have great success in unearthing a treasure or two. And enjoy the search which is so much a part of the fun!