Strange Flower (Little Sister of the Poor) (1880) by Odilon Redon. Original from the Art Institute of Chicago. Digitally… Free Image from public domain license 
Fahrrader 2 (1894) from the German series, Meyers Konversations Lexikon, a black and white lithograph of different bicycle… Free Image from public domain license 
Winter man skiing illustration from Siberia in Asia: a visit to the valley of the Yenesay in East Siberia (1882) by Henry… Free Image from public domain license 
Vintage European style key engraving from Six Semaines de vacances by Paul Poiré (1880). Original from the British… Free Image from public domain license 
Vintage European style top hat engraving from Cook's Handbook for London. With two maps by Thomas Cook (1898). Original from… Free Image from public domain license 
Vintage European style key engraving from Six Semaines de Vacances by Paul Poiré. Original from the British Library.… Free Image from public domain license