CC-PD-Mark

Fritz von Schwenningen ..
© Max von Stephanitz
Public Domain

Bartolomeo Guidobono St..
© Bartolomeo Guidobono
Public Domain

Carl Reichert.jpg
© Karl Reichert
Public Domain

Diagram of German Sheph..
© Max von Stephanitz
Public Domain

A military working dog ..
© Official U.S. Navy P..
Public Domain

George Bouverie Goddard..
© George Bouverie Godd..
Public Domain

Mine Detection Dog (MDD..
© Dave Babbitt
Public Domain

Princess Dagmar, Prince..
© Georg Emil Hansen
Public Domain

AKC Champion Kirby of I..
© Original: Unknown..
Public Domain

Ottův slovník naučný - ..
© Hadonos
Public Domain

Boxerfirstshow.png
© Unknown
Public Domain

Caught A.K.A. The Truan..
© not identified; Germ..
Public Domain

Johanna St John.jpg
© Godfrey Kneller
Public Domain

Animal drawings collect..
© Unknown
Public Domain

Animal drawings collect..
© Unknown
Public Domain

Animal drawings collect..
© Unknown
Public Domain

Willem Arondeus (1894 –..
© Unknown
Public Domain

Roi Manuel et president..
© Charles Chusseau-Fla..
Public Domain

Roi Manuel et son chien..
© Charles Chusseau-Fla..
Public Domain

McGreelys Express Alask..
© Mc Greely's Express
Public Domain