Please read below the sheet for descriptions of the stamps

1st row:
Somewhere in La Mancha,  Carried away by Imaginations,  The Knight's Army.

2nd row:
In the Serious Dawn,  Molio as Cibera,  Scrutinizing Donso.

3rd row:
"How do you know, my friend Sancho ?",  The Giants,   Falling so Deep with so much Grace.

4th row:
The Squadron of Sheep,  The Galls,  The Cow Hides.

Many thanks to Mr. Marcel Abitbol (France) for help with translations from Spanish to English