1
See E. M. Wilson, «Comedias sueltas-A Bibliographical Problem», in Pedro Calderón de la Barca, Comedias, ed. D. W. Cruickshank and J. E. Varey (London, 1973): vol. I, The Textual Criticism of Calderón's comedias, pp. 211-19; and D. W. Cruickshank, «Calderón and the Spanish Book Trade», in Kurt and Roswitha Reichenberger, Bibliographisches Handbuch der Calderón-Forschung/ Manual Bibliográfico Calderoniano, vol. III (Kassel, 1981), pp. 3-8.
2
For complete instructions on how to collate a book and describe the result accurately, see Fredson Bowers, Principles of Bibliographical Description (Princeton, 1949). For a concise exposition, see Philip Gaskell, A New Introduction to Bibliography (Oxford, 1972), pp. 84-6, 321-35.
3
To measure type, see Gaskell, A New Introduction, pp. 13-14.
4
See his «A Role for Watermarks in Bibliographical Description», Bulletin of the Bibliographical Society of Australia and New Zealand, 12 (1978), 85-101. For a list of reference books available, and his comments on their unhelpful nature, see p. 87, p. 98, nn. 19 and 20, p. 100.
5
For a useful general introduction to the identification of type, see G. T. Tanselle, «The Identification of Type Faces in Bibliographical Description», PBSA, 60 (1966), 185-202.
6
H. D. L. Vervliet (ed.), The Type Specimen of the Vatican Press 1628 (Amsterdam, 1967), item 27; and D. W. Cruickshank, «Italian Type in Spain and the Spanish Empire in the Seventeenth Century», in Book Production and Letters in the Western European Renaissance: Essays in Honour of Conor Fahy, ed. Anna Laura Lepschy, John Took and Dennis E. Rhodes (London, 1986), pp. 47-63.
7
John Dreyfus (ed.), Type Specimen Facsimiles, 2 vols. (London, 1963-72), II, 8, no. 8.
8
Type Specimen Facsimiles, II, 2, no. 2.
9
H. D. L. Vervliet, Sixteenth-Century Printing Types of the Low Countries (Amsterdam, 1968), pp. 254-5.
10
Vervliet, Sixteenth-Century Printing Types, pp. 288-9.