Eiteljorg Museum of the American Indian and Western Art. 1988 Poster art by Bert Greer Phillips. "Song Of The Aspen". 24.5"x36.5". Artist Bert Geer Phillips b(1868-1956). He Painted it in 1947 40"X27. Original in The Eiteljorg Collection. Mr. Eiteljorg had this in his Collection when he opened the Museum.