Although constantly complaining of his imprisonment, and of the treatment accorded to him in England, James brought home with him, when his release was negotiated in 1423-24, an English bride, Joan Beaufort, the heroine of the Quair.
"An Outline of the Relations between England and Scotland (500-1707)"
Robert S. Rait
The love-allegory of the Kingis Quair shows the influence of Chaucer not only in its use of the Chaucerian stanza-henceforth to be known as the rhyme royal-but in the evidence it affords of its author's acquaintance with the English version of the Romance of the Rose.
"Chaucer and His Times"
Grace E. Hadow
Although the King's Quair is suggestive of The Knightes Tale, and indeed owes much to Chaucer, it is a poetic record of genuine and successful love.
"Halleck's New English Literature"
Reuben P. Halleck