Debussy wanted to distance himself from what he considered the emotional excess of the Romantics and instead wanted to write music that, through sound, created an ambience similar to that of the Impressionist painters and Symbolist poets of his day.
All books initially copyrighted in the US from 1964 through 1977 have had their copyrights automatically renewed (by law) and the copyrights are still in force. The initial copyright term was 28 years; the renewal was for 67 more years.
Collecting First Edition Beginner Books. First printings of the each of Beginner Books published from 1957-to-1973 should be considered by children's book collectors. Many collectors are on the lookout for the Dr. Seuss books, however there has not been as keen an interest in the non-Seuss Beginner Books.