Bongars, I. (ed.) (1611) Liber Secretorum Fidelium Crucis by Sanudo Marin (the Elder), Hannover 1611. -
open access at archive.org - used by
Guidoboni and Comastri (2005)
Lock, P. (2016). Marino Sanudo Torsello, The Book of the Secrets of the Faithful of the Cross: Liber Secretorum Fidelium Crucis, Taylor & Francis. - English Translation
The Secreta has only once been printed entire, by Bongars, in Gesta Dei per Francos, vol. ii. pp. 1–288 (Hanover, 1611). This was reprinted by the University of Toronto Press in 1972 with an English foreword by Joshua Prawer.
K. Kretschmer, Marino Sanudo der Ältere und die Karten des Petrus Vesconte, Z. Ges. Erdk. Berlin 1891, page 355