Nell’unico viaggio in Inghilterra documentato, nel 1910 accompagna a Londra la figlia Emma, già introdotta nell’ambiente artistico inglese. In quell'occasione eseguì una serie di vedute della capitale britannica, 

Apparently, Guglielmo Ciardi made only one trip to Great Britain, in 1910, with his daughter Emma, who was already well connected in English artistic circles. He painted a series of views of London on that occasion.

http://nicholls.it/800oltremanica/storie-anglo-italiane/storia-09.htm

1910: Londra.

Sacchi Federico Defendente, Spranger Robert William, Tooth Arthur

24 Langham St, Portland Place, Londra (1885: c/o D.F.Sacchi).

Glasgow (1881, 1882, 1904, 1905, 1911), Hull (1883), Londra (1873, 1884, 1886, 1888, 1905), Manchester (1876, 1877, 1878, 1879, 1880, 1881, 1882, 1883, 1885)

s.a., Notes in the International Exhibition, in “The Builder”, 7 giugno 1873, p. 439.  

s.a., Art Notes, in “The Magazine of Art”, vol. V, 1882, p. xxiii.

red., Directory of Artists, in “The Year’s Art”, 1883-1885, ad vocem.

s.a, The Chronicle of Art. Art in June, in “The Magazine of Art”, 1887, p. xxxv.

T. Carew Martin, Introduction, in “The Italian Exhibition in London. 1888. The Official Art Catalogue”, Londra 1888.

L. Chirtani, Gli artisti italiani a Londra, in “Ricordo della Esposizione Italiana Londra 1888. Numero speciale dell’Illustrazione Italiana”, Milano 1888, p. 17.

A Mild Summer Day, in “European Pictures of the Year. Foreign Art Supplement to the“Magazine of Art”, Londra, Parigi e Melbourne 1893, p. 101, ripr.

A. Rollins Willard, History of Modern Italian Art, Londra, New York e Bombay, 1898.

H. Zimmern, Italy of the Italians, Londra, Bath, Melbourne e New York 1920.   

R. Billcliffe, The Royal Glasgow Institute of Fine Arts 1861-1989: a dictionary of exhibitors at the annual exhibitions of the Royal Glasgow Institute of Fine Arts, Glasgow 1990-1993, vol. I, ad vocem. 

N. Stringa, Guglielmo Ciardi, Treviso 2007, p. 396.

https://artuk.org/discover/artworks/view_as/grid/search/keyword:guglielmo-ciardi

https://www.britishnewspaperarchive.co.uk/viewer/bl/0000174/18880704/013/0002

https://www.britishnewspaperarchive.co.uk/search/results?basicsearch=guglielmo%20ciardi&retrievecountrycounts=false

The Lagoon, Venice (1886), Perth and Kinross Council, Perth.

October in the Venetian Countryside (1900 circa), Glasgow Museums, Glasgow.