Suggestions in design : being a comprehensive series of original sketches in various styles of ornament : arranged for application in the decorative and constructive arts (1880)
Leighton, John, 1822-1912, Colling, James Kellaway · London : Blackie and Son · leaf 401
100. MISCELLANEOUS. BY JOHN LEIGHTON, F.S.A. SUGGESTIONS IN DESIGN CLACK I C 4 SON: LONDON, GLASGOW, AND EDINDURGH
Decoration and ornament
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.