Köhn, Rolf

• Emil J. Polak, Medieval and Renaissance Letter Treatises and Form Letters. Vol. 3: A Census of Manuscripts Found in Part of Europe. The Works on Letter Writing from the Eleventh through the Seventeenth Century Found in Albania, Austria, Bulgaria, France, Germany, and Italy, Leiden, Boston (Brill Academic Publishers) 2015
  Francia-Recensio 2017/3
• Christian Høgel, Elisabetta Bartoli (ed.), Medieval Letters. Between Fiction and Document. Preface by Francesco Stella and Lars Boje Mortensen, Turnhout (Brepols) 2015
  Francia-Recensio 2017/4
• Robert Bartlett (ed./transl.), Gerald of Wales, Instruction for a Ruler (De Principis Instructione), Oxford (University Press) 2018
  Francia-Recensio 2019/2