Picture #1

"Dignity and Impudence"
Sir Edwin Landseer 1839

Picture #2

Picture #3

"Waiting" or "Highland Dogs"
Sir Edwin Landseer 1839
"Dandie Dinmont and His Terriers"
Gourlay Steele 1865
Shows two dogs that may be Dandies and two smaller ones that more closely resemble Cairns or Westies

Picture #4

Picture #5

"The Warrener's Pony and Terrier and Puppy"
John Emms 1876 - A possible early West Highland White Terrier and pup
Roseneath or White Scottish Terriers - 1899
Notice the more Scottie-like features,
especially the long bodies and heads