Šolc a Šimáček, Praha 1921. Signed by author.
Aus Geheimarchiven der deutschen Luftfahrt. Transpress, Berlin 1962. Text in German.
Ceska obec sokolska, Praha 1912. It contains a map and the newspaper with photos (1926).
Text in German. It contains one big map, which is inbound. Verlagsanstalt Lift u. von ...
Aventinum, Praha 1947.