Hus
| Author(s) | Title | Reference | |
|---|---|---|---|
| Gordon Leff | S. Harrison Thomson: Bio-bibliography, Bio-bibliographical Series No. 1, by S. Harrison Thomson, L. R. Wynar | 33/3, p. 242 | |
| A.V.C. Schmidt | Europas Christliche Literatur Von 500-1500, by Gisbert Kranz | 39/3, p. 323 |