Kurt Olsson JMRS 7 77 Cardinal virtues & structure of Spec. Meditantis
Kurt Olsson SP 84 87 Gower's Vox Clamantis & med. idea of place
W. B. Wilson (tr.), Gower's Mirour de l'Omme Colleagues 92
Joanna Summers MAE 68 99 Gower's Vox and Usk's Testament