Lessons in the art of illuminating : a series of examples selected from works in the British Museum, Lambeth Palace Library, and the South Kensington Museum (1895)
Loftie, W. J. (William John), 1839-1911, author · London ; Glasgow : Blackie & Son · leaf 56
this case, is always surrounded with a double line or framework of blue, or red, and gold; and the color has a delicate white line on it, and occasionally gives out a branch which, crossing the gold line, bursts into flower in the margin. This style was largely used for official documents for a…
Illumination of books and manuscripts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.