Grammar of Ornament by Owen Jones. First published in 1856, it's full of motifs and patterns from such varied sources (Pompeian, "savage tribes", Persian, Indian, Islamic etc). Jones was an architect and designer and he made this to encourage young designers to take inspiration from historical design principles.

𝚌𝚘𝚗𝚜𝚘𝚕𝚎.𝚕𝚘𝚐('𝚌𝚛𝚎𝚊𝚝𝚒𝚟𝚎 𝚌𝚘𝚍𝚎𝚛, 𝚌𝚘𝚏𝚏𝚎𝚎 𝚍𝚛𝚒𝚗𝚔𝚎𝚛, 𝚙𝚑𝚘𝚝𝚘𝚐𝚛𝚊𝚙𝚑𝚎𝚛')

https://linktr.ee/0xbenj

Nice share! Looks really nice 👍 
3 $degen

Digital and generative art enthusiast and maker.
https://todemashi.com

Found it, thank you! And the dedicated website is also a nice resource 🥰

Cheers todemashi! It's such a great resource. Free pdf download too.