Thematic-index numbers used in uniform titles for keyboard works are those assigned by Gerald Hendrie in Musica Britannica, 20 (London : Stainer and Bell, 1962); e.g., Fantasias, keyboard instrument, H. 6, D
Thematic-index numbers used in uniform titles for consort works are those assigned by John Harper in Musica Britannica, 48 (London : Stainer and Bell, 1982); e.g., In nomines, voices (5), H. 28
Fellowes, E. H. Orlando Gibbons, 1925.
New Grove, 2nd ed. (Gibbons, Orlando; b. Oxford, bap. Dec. 25, 1583, d. June 5, 1625, Canterbury; English composer and keyboard player)