http://www.naxos.com/mainsite/blurbs_re ... e=English#D'un cahier d'esquisses (From a Book of Sketches) was written in 1904. As its title indicates, the piece was taken from a musical sketch-book and was later arranged by a Belgian publisher, who acquired the rights to it, for cinema orchestra.
Some quick web research reveals that the 'Belgian publisher' in the quote above may have been Schott...
http://www.debussy.fr/encd/bio/bio5_03-09.phpParis Illustré publishes D'un cahier d'esquisses, subsequently purchased by Schott brothers in Brussels.