A Blenheim Spaniel (now incorporated into the King Charles Spaniel/English Charles Spaniel) photograph published in 1903. Published in London by L.U. Gill, and in New York by C. Scribner's Sons - both same year. The book does not list who the photographs were taken by or when.
W.D. Drury
1903
"British Dogs, Their Points, Selection, And Show Preparation"