Fifth year. Fr. Borovy, Praha 1939.

Josef Hokr, Praha 1947.

Text in English. Willcox and gibbs Sewing Machine Co., New York no date.

Text in German. Carl Gerold´s Sohn, Wien 1897.

Erster Jahrgang 1900. Text in German. Many illustrations . Verlag der K. u. K. Hofbuchhandlung Karl Prochaska, Teschen 1900.

Text in English. History Of The Port and Trade to Rotterdam. Many illustrations and photos. Ad. Donker, Rotterdam/Antwerp 1948.

Text in German. Verlag von Julius Springer, Berlin 1921.

Akademische Verlagsgesellschaft, Leipzig 1912. First edition. First volume only.

Leaflets of Ferrum firm, which made heating in Frydlant nad Ostravici.

Advertising brochure of Ferrum firm (Frydlant nad Ostravici). There are two photos of Slapeta´s villas inside, which were build for Ferrum. No date, cca 1934. Many illustrations.

Elektronik, Praha no date. Published as a book annexes of periodical Elektronik.