Corning Museum of Glass: Search the collection or the library for all sorts of models and patterns, even vintage advertisements.
The Pyrex Collector: Lots of information on Pyrex patterns, colors, model numbers, cleaning tips and more.
Hot for Pyrex: Pattern library for rare or hard-to-find pieces as well as international variants.
That Retro Piece: Info on Pyrex from the United Kingdom, Australia and New Zealand.
Pyrex Love: Another good pattern reference, plus cleaning tips and other useful info.
Pyrex Passion: Pattern reference plus some interesting information on specific models and Pyrex history.
Other collectors! Join a Pyrex Facebook group and you will be blown away by the collective knowledge of your fellow enthusiasts. Be mindful of group rules (such as no selling) and dig into resources like photo albums and shared files. Also, a group search can often produce the information you’re looking for.
Pictured: Pyrex Spring Blossom 045 Oval Casserole