A compendium of resources in the public domain.
Der Ornamentenschatz; ein Musterbuch stilvoller Ornamente aus allen Kunstepochen or (The ornamental treasure; a sample book of stylish ornaments from all periods of art) I chose this book to share because of the beautiful ornaments and Chromolithographs. Below are just 2 examples of the images you will enjoy in this book. Thanks to Archive.org Dolmetsch,
A Handbook of Ornament with three hundred plates, containing about three thousand illustrations of the elements, and the application of decoration to object. By Franz Sales Meyer, Professor at the School of Applied Art Karlsruhe The book is broken down into 3 divisions. Division 1 – The Elements of Decoration, Division 2 – Ornament applied