At the age of 12 Bruno Rossati began working eleven hour days.
"Now, approaching 91, I find myself reminiscing about my youth, still riding my motorcycle every day.
Letter re Ladetto
Virtuelles Kraftfahrzeug Museum Austria (voz.co.at) has information on Austrian marques (including automobiles and other vehicles), and listings for museums and clubs.
Motorradveteranenclub Attnang Puchheim: historical notes on a good number of marques with a focus on those of Germany and Austria.
Marque Specific
Puch
Omega
Motorpaul NL has extensive information on Austro-Omega, York and others.
German translations (word only, not phrase)
by Oxford University
en.bab.la/dictionary