| http://www.w3.org/ns/prov#value | - It is somewhat more frequent among the great draftsmen of the 19th and 20th centuries, such as Edgar Degas, Henri de Toulouse-Lautrec, K??the Kollwitz, and Ernst Barlach.Oiled charcoal, with the charcoal pencils dipped in linseed oil, provides better adhesion and a deeper black.
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