11
Biblioteca Nacional Res. 108.
12
Cruickshank Introduction to Calderón, En la vida, pp. xviii-xix.
13
Biblioteca Nacional Res. 91.
14
S. N. Treviño, «Nuevos datos acerca de la fecha de Basta callar», Hispanic Review, 4 (1936), 333-341.
15
S. N. Treviño, «Versos desconocidos de una comedia de Calderón», Publications of the Modern Language Association, 52 (1937), 682-704.
16
This addition was later marked for omission in the manuscript, and replaced by two lines written in the margin in the second scribal hand. These two lines appear in the printed versions.
17
Biblioteca Nacional Res. 117.
18
Biblioteca Nacional Res. 79.
19
The first act bears a licencia dated 1667 and the third a licencia dated 1672. On the basis of Calderón's handwriting in the autograph third act, Cruickshank dates it between 1669 and 1672. D. W. Cruickshank, «Calderón's Handwriting», Modern Language Review, 65 (1970), 74-75.
20
Biblioteca Nacional Res. 100.