http://books.google.com/books?id=4-cNAAAAQAAJ&printsec=frontcover#v=onepage&q=broken%20haired%20scotch&f=false  - various colors seen in broken haired scotch and yorkshire terriers black, brown, red, starting on page 293

http://books.google.com/books?id=WN8NAAAAQAAJ&printsec=frontcover#v=onepage&q=broken%20haired%20%20scotch&f=false - Various colors seen in broken haired scotch and yorkshire terriers black, brown, red, page 362

http://books.google.com/books?id=Q-ENAAAAQAAJ&printsec=frontcover#v=onepage&q=broken%20haired%20scotch&f=false - Broken haired scotch and yorkshire terriers including colors pale buff and white on chest, starting on page 197

http://books.google.com/books?id=Kd8NAAAAQAAJ&printsec=frontcover#v=snippet&q=white%20scotch&f=false  - Numerous listings of white scotch terriers

http://books.google.com/books?id=_uANAAAAQAAJ&pg=PA192&dq=white+scotch&cd=7#v=onepage&q=white%20scotch&f=false -White faced broken haired scotch terrier

The American book of the dog: The origin, development, special ...
By George O. Shields, 1891 (talks of off colored Yorkshire terrier pups being born on page 444)
Http://books.google.com/books?id=14JCAAAAIAAJ&printsec=frontcover#v=onepage&q=&f=false

http://chestofbooks.com/animals/dogs/Terriers-UK/The-Scottish-Terrier-Part-2.html            - white scottish and white skye terriers

http://chestofbooks.com/animals/dogs/Dog-Shows/Mr-James-Pratt.html                                - James Pratt and his white skye terrier

http://chestofbooks.com/animals/dogs/British-Dogs/The-Skye-Terrier-Part-6.html - speaks of white skyes in London

Colored Maltese history http://www.foxstonemaltese.com/maltese_breed_history.htm