F. J. Snell, The Customs of Old England
“ Miracle plays represent a further stage of development, in which a rude and popular art shook itself free from the trammels of ritual, outgrew the austere restrictions of sacred surroundings, and yet kept fast hold on the religious tradition on which it had been nourished, and which remained to the last its supreme attraction.The liturgical origin of the miracle play may almost be taken for granted, and the single question that is likely to arise is whether the custom evolved itself from observances connected with Easter, or Christmas, or both festivals in equal or varying measure. ”
