All these and more available for free now at the @internetarchive‘s National Emergency Library as well as their wider library.
Just search for keywords like “ceramics”, “pottery” and “glaze”. Then click “Borrow This Book” and enjoy the book online or as a downloadable PDF for 14 days. (The book can be renewed thereafter.) If you find the service useful, please consider donating to the Internet Archive! Just click the “Donate” button on their website.