Cascadas

National Library of Latvia

National Library of Latvia

Czölder, Dezider

Slovak national gallery

Wolf, Caspar; Descourtis, Charles Melchior

Herzog Anton Ulrich Museum

Photochrom Co Ltd

Jersey Heritage

National Library of Spain

Mickelsson, Hilding

Hälsinglands Museum

Valters Grīviņš

The British Library

Piranesi, Giovanni Battista, 1720-1778

National Library of Spain

Balaton Museum - Keszthely

Soler i Santaló, Juli, 1865-1914

Digital Memory of Catalonia

The Royal Society of Antiquaries of Ireland (RSAI)

The Discovery programme

Anonymous, Unkoku School, Japan

The Israel Museum, Jerusalem

José Guiu, Camil, 1937-1991

Digital Memory of Catalonia

Norrlandsbild

Sundsvall Museum

Elmakis, Yosi

National Library of Israel

Rijksmuseum

Sörmland Museum

Sagrits, Richard (autor)

Virumaa Museums

Cyprus Tourism Organisation

Library of Cyprus University of Technology

Helmer Osslund

Nationalmuseum Sweden

Fotograf okänd,

Swedish Railway Museum

Abery, P. B. (Percy Benzie) 1877-1948

National Library of Wales

Casas i Galobardes, Gabriel

The Government of Catalonia

Vafiadakis, Georgios (amateur)

Hellenic Literary and Historical Archive - Cultural Foundation of the National Bank Of Greece

National Library of Ireland

National Academic Library and Information System Foundation

Friedrich Nerly d. Ä. (artist)

Austrian Gallery Belvedere