Definition of "shulde"

And he spake boldlyer: no, if I shulde dey with the, I woll not deny the.

1526, [William Tyndale, transl.], The Newe Testamẽt […] (Tyndale Bible), [Worms, Germany: Peter Schöffer], Mark xiiij:, folio lxvij, recto

Vaschus him selfe dyd greatly affecte this embasage: But neyther woolde the resydewe of his felowes electe hym therto, nor his factionaries suffer hym to departe: Aswell for that therby they thought they shulde bee left desolate, as also that they murmured that if Vaschus shulde once goo from theym, he wolde neuer returne to suche turmoyles and calamities […]

1555, Richard Eden (translator), The decades of the newe worlde or west India conteynyng the nauigations and conquestes of the Spanyardes by Peter Martyr d'Anghiera, London: Edwarde Sutton, Decade 2, Book 6, [p. 71b]

[…] shewing that all the lordes had bene with her grace in counsaill, and that she perceiued thay were well content with our commyng, but that we shulde not contynue.

1834, Joseph Stevenson, Illustrations of Scottish History, Maitland Club, page 103