– Gene Anbaum, Paradigm Shifts: Typewritten Tales Of Digital Collapse And Escapements: Typewritten Tales From Post-Digital Worlds, 2020.04.11
http://librarycomic.com/guest-book-review-paradigm-shifts-typewritten-tales-of-digital-collapse-and-escapements-typewritten-tales-from-post-digital-worlds/
– G.Engbarth, E Lebe für Büromaschine / mei Postpaket no Maastricht, Oeffentlicher Anzeiger, 87, 2019.04.12, p.24
– interview in the Thüringische Landeszeitung, 2016.03.21
– B.Ypma, Uitgelezen, Jos Legrand en Ernst Martin Verlag, The Paradox of the Waste Paper Basket, Archievenblad, 119, 4, 2015, p.46
– Ben Marks, The Existential Conundrum That Is the American Waste Paper Basket, Collectors Weekly, 4/5/2015, http://www.collectorsweekly.com/articles/the-existential-conundrum-that-is-the-american-waste-paper-basket/
Lorne Vansinclair, There was a time when offices were actually offices, and the technology can be fascinating, Packet & Times, 2015.09.04,
http://www.orilliapacket.com/2015/09/04/there-was-a-time-when-offices-were-actually-offices-and-the-technology-can-be-fascinating
– Johannes Meyer memorial monument in Pappenheim, Germany, 2009
http://www.pappenheim-aktuell.info/index.php?option=com_content&task=view&id=1510&Itemid=156
– Lutz Rolf, Kommentar zu ‘Meyer/Martin – das Werk eines guten Menschen’, HBw-Aktuell, 28, 01/2010, p.16