title: [Peter Tschaikovsky, the Russian composer. (On the occasion of the 126th anniversary of his birth, 7 May 1840)].
mesh_terms: D005197:Famous Persons; D049672:History, 19th Century; D006801:Humans; D001523:Mental Disorders
vernacular_title: Peter Tschaikowski, el músico de Rusia. (Con motivo del 126 aniversario de su nacimiento, el 7 de mayo de 1840)