TY  - BOOK
TI  - Escuela de verano
PY  - 1941///
CY  - La Habana : 
PB  - Ed. Carasa, 
N1  - Summer session. July 21 to august 30. 1941    Summer session. July 13 to august 22. 1942    Summer session. July 12 to Agosto 21. 1943
ER  -