Citations: Andersen, N. M.; Michelsen, V. 2001: [Schmidt Nielsen, E.] Insect Systematics & Evolution, Copenhagen 32 (2), B15: 11765, pp. 121-122, Portr.
Anonym 2001: [Schmidt Nielsen, E.] News of the Lepidopterists' Society., Lawrence 43 (2), B15 11847, pp. 47
Kristensen, N. P. 2001: [Schmidt Nielsen, E.] Nota lepidopt. Halle/Saale 24 (3), 11952, pp. 3-9, Portr.
Robertson, M. 2001: Ebbe Nielsen 1950-2001. Antenna : Bulletin of the Royal Entomological Society of London, London 25 (3), S. 152-154, B15 12105
Skou, P. 2001: [Schmidt Nielsen, E.] Lepidoptera., Kobenhavn 8 (2), B15 11149, pp. 71-73, Portr.