リッカルド・ベリ
Facos, Michelle (1998). Nationalism and the Nordic imagination: Swedish art of the 1890s. University of California Press. ISBN 9780520206267. https://books.google.co.jp/books?id=j389Mqnqi0sC&dq=%22Richard+Bergh%22&source=gbs_navlinks_s&redir_esc=y&hl=ja