JaneJudge might be able to help here I’d look on Amazon, but I look on Amazon for everything. They also sell second hand books from third party sellers. which are a snip
I’ve just been putting together a presentation, for my U3A group, about the regency era, which includes a section on furniture design. There’s a lot on the internet and maybe reading some of those articles will give you an idea of which books to choose. Hope your recovery goes well.