Horský, Zdeněk, 1929-1988: Astronomy Gnomonics : a catalogue of instruments of the 15th to the 19th centuries in the collections of the National Technical Museum, Prague
Astronomy Gnomonics : a catalogue of instruments of the 15th to the 19th centuries in the collections of the National Technical Museum, Prague Horský, Zdeněk, 1929-1988