7 emaitza barruan Lekua Franzensfeste

K.u.k. Kriegspressequartier, Lichtbildstelle - Wien

Austrian National Library

Naturalis Biodiversity Center

OÖ Landes-Kultur GmbH

Naturalis Biodiversity Center

Printing shop: L. Zrenner <München>

Museum of City History Leipzig

Naturalis Biodiversity Center

Ruß, Robert

Austrian National Library