Drais roku 1816: „In wartime, when horses and their fodder often become scarce, a small fleet of such wagons at each corps could be important, especially for dispatches over short distances and for carrying the wounded.“
Výbuch indonézskej sopky Tambora pred 195 rokmi pripravil o život 92.000 ľudí. www.metoo.cz [online]. [cit. 2013-02-14]. Dostupné varchivu pořízeném dne2014-04-17. (slovensky)