An introduction to English church architecture : from the eleventh to the sixteenth century (1913)
Bond, Francis, d. 1918 · London : H. Milford · leaf 388
Their profiles therefore areusually similar to or identical with those of the dripstone of each period. Inside thechurch the string is often a continuation of the abacus, and identical with it in form ;thus it comes about that the development of the form of abacus,- string- and dripstone;
Church architecture · Cathedrals
Internet Archive · Pontifical Institute of Mediaeval Studies Library · Public Domain Mark 1.0. Free to use for anything.