CMI; Index Herbariorum, ed. 8; R.W. Kiger, 17 April 1991; Obituary in: Newsletter of the Mycological Society of America, Supplement toMycologia 54(6): 9. 2003, https://webcache.googleusercontent.com/search?q=cache:MM1JDROF_9cJ:msafungi.org/wp-content/uploads/2019/03/December-2003-Inoculum.pdf&hl=de&gl=ch&client=firefox-b-d (via Boris Heuer)