His mother is a painter specializing in watercolor landscapes.

Ralph's earliest known paintings are watercolor landscapes from his second grade class, which showed notable talent for such a young artist.

In 1929 he exhibited at the Goupil gallery, including watercolor landscapes of France.

At the time of his death it is estimated that he painted 3,000 works, mostly watercolor landscapes.

Early in his career his paintings consisted of mostly watercolor landscapes.

He is noted for his colorful watercolor landscapes.

He also exhibited his watercolor landscapes in London.

A watercolor landscape hung on the wall facing the spacer.

His home is filled with his many watercolor landscapes.

Her watercolor landscapes became part of the collections of museums and private buyers.