Here is a list of resources I use for identifying and learning about vintage dinnerware, housewares, etc., and some vintage blogs. Some also have vintage items for sale.
TABLETOP & BAR
Libbey History – Libbey glassware – unfortunately, this one seems to have disappeared. But I’m keeping it here in case they re-launch the site someday!
Replacements, Ltd. – china/dinnerware, crystal/glassware, silver/flatware, collectibles,
Robbins Nest – china, crystal, dinnerware, collectibles/seasonal, flatware/silver, kitchenware, pottery