SER Q class was created in 1881.
SER O class was created in 1882.
SER F class was created in 1883.
SER R class was created in 1888.
GNRI Class Q was created in 1899.
SR Z class was created in 1929.
Ser Feliz was created in 1991.
Quiero Ser was created in 1981.
SER - magazine - was created in 2002.
No puede ser was created in 1936.
Quisiera Ser Hombre was created in 1990.
No basta ser madre was created in 1937.
Atgof y Ser was created in 2001.