http://lazarus.elte.hu/hun/maps/1910/vmlista.htm
http://lazarus.elte.hu/hun/digkonyv/topo/3felmeres.htm
http://www.mapywig.org/

karpatské průsmyky - http://goo.gl/maps/hYv6S http://uk.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D1%96%D1%8F:%D0%9F%D0%B5%D1%80%D0%B5%D0%B2%D0%B0%D0%BB%D0%B8_%D0%A3%D0%BA%D1%80%D0%B0%D1%97%D0%BD%D1%81%D1%8C%D0%BA%D0%B8%D1%85_%D0%9A%D0%B0%D1%80%D0%BF%D0%B0%D1%82

http://cs.wikipedia.org/wiki/Kategorie:Seznamy_německých_názvů_obcí_a_osad_v_Česku

Marschrute IR 91 4.5.1915–11.7.1915: http://goo.gl/maps/25r9N (http://honsi.org/literature/svejk/dokumenty/ir91/)
Marschrute IR 91 11.7.1915–24.9.1915: http://goo.gl/maps/dtFGD (http://honsi.org/literature/svejk/dokumenty/ir91/)