Armstrong, William A., review of J. Swart, Thomas Sackville. A Study in Sixteenth Century Poetry, in Modern Language Review, 45.2 (1950), pp. 239–40, doi:10.2307/3719449

Armstrong, William A., review of Dieter Mehl, The Elizabethan Dumb Show. The History of a Dramatic Convention, in Modern Language Review, 63.1 (1968), pp. 174–75, doi:10.2307/3722684