More extended descriptions of these sources can be found in Williamson 2010, and in various secondary sources (for instance, Bent/Bent 1969, Sandon 1976, Fenlon 1982, Woods 1984, and Sandon 1993). Some manuscripts await detailed study. New descriptions for these have been prepared for the project Tudor Partbooks: the Manuscript Legacies of John Sadler, John Baldwin and their Antecedents which, funded by the Arts & Humanities Research Council, ran from 2014 until 2017; the same project also funded the creation of DIAMM images for a number of sixteenth-century sources.
Concordances post-dating the sixteenth century, such as the eighteenth-century transcriptions of John Travers and Henry Needler, have been omitted from this list.