2 series from Spain

Spain, 1952, "35th International Eucharistic Congress, Barcelona"
Both stamps were issued in 26/05/1952 ; [90c ,1Pta].
The 90c stamp represents Stª Maria Micaela [http://es.wikipedia.org/wiki/Mar%C3%ADa_Micaela_del_Sant%C3%ADsimo_Sacramento]

The 1Pta stamp represents one painting by Tieopolo [ "The Eucharist" ]

Spain, 1950-1953, "Literature Personalities"
This series has 4 stamps , issued between 1950 and 1953
1) 5c : Calderon De La Barca : issued in 01/08/1951
[ http://en.wikipedia.org/wiki/Pedro_Calder%C3%B3n_de_la_Barca ]

2) 10c : Lope De Vega : issued in 15/09/1951
[ http://en.wikipedia.org/wiki/Lope_de_Vega ]

3) 15c : Tirso De Molina : issued in 02/09/1953
[ http://en.wikipedia.org/wiki/Tirso_de_Molina ]

4) 20c : Ruiz De Alarcon : issued in 01/09/1950
[ http://en.wikipedia.org/wiki/Juan_Ruiz_de_Alarc%C3%B3n ]

SeeYou