The book Animal Pets was published by Charles E. Graham around 1880. They did not identify the artist but since the book was published over 120 years ago, it and all the wonderful illustrations it contained are in the public domain.
Two horses stop to drink from the river while a third looks on. This image looks a little bit like one of those old fashioned paint by number paintings. It would make a great addition to your next art project.
This image is copyright free and in the public domain anywhere that extends copyrights 70 years after death or at least 120 years after publication when the original illustrator is unknown.