| http://www.w3.org/ns/prov#value | - 20 million books, periodicals, newspapers, microfilms, literary texts and government publications; 167,000 linear metres of government and private textual records; 3 million architectural drawings, maps and plans; 24 million photographs; 350,000 hours of film; 425,000 pieces of art, including paintings, drawings, watercolours, posters, prints, medals and caricatures; 547,000 musical items; More th
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