Soviet nixie tubes collection with photos and datasheets Brief history of Haydu Brothers Mike's Electric Stuff: Display and Counting Tubes Nixie tube photos and datasheets (in English and German) Giant Nixie Tube Collection (in English and German) The Art of Making a Nixie Tube Nixie Tube Description and Pictures (in English and Czech) The Nixie Tube Story (IEEE Spectrum, 7/18)