@misc{Zygmunt_I_the_Old_(1467-1548)_Letter,
 author={Zygmunt I the Old (1467-1548)},
 copyright={Fokt, Krzysztof (1980-)},
 copyright={Mikuła, Maciej (1983-)},
 copyright={Muzeum Niepodległości w Myślenicach},
 howpublished={online},
 language={Polish},
 language={Latine},
 title={Letter from King Zygmunt I to towns and cities on their failure to send battle wagons on war expeditions},
 keywords={battle wagon, war expedition},
}