Note 383 — 45 KING JOHN AND THE BISHOP
Reading edition
The form of the third question is slightly varied at first ¿Cuál es el error en que yo estoy pensando? But when put to the herdsman the question is simply ¿En qué estoy yo pensando? I was pointed to this story by Seidemann, in Archiv für Litteraturgeschichte, IX, 423. Trueba's C. P. forms vol. 19 of Brockhaus's Coleccion de Autores Españoles.