Rare Books copy 1: From the library of Luis Alberto Sánchez. Dr. Sánchez (1900-1994) was a Peruvian politician, author, and founding member of the left-leaning American Popular Revolutionary Alliance (APRA) party. A leading authority on Latin American literature, his academic career included years as a professor, and later rector, at Universidad Nacional Mayor de San Marcos. and Rare Books copy 2: From the library of Carlos E. Carrillo Velásquez, General Administrator of the Central Penitentiary of Lima beginning in 1934 and sub-director of the prison’s printing and binding workshop.
Rare Books copy 1: Author's autograph presentation copy to Luis Alberto Sánchez. and Rare Books copy 2: “C.E.C.V.” stamped at foot of spine; ownership signature of Carlos E. Carrillo Velásquez on page v; evidence of two removed bookplates.
Rare Books copy 1: Bound with the author's La linterna de Diógenes. Lima, 1923.