Marlborough Fine Art. (1969). Egon Schiele: Drawings and watercolours : 1909-1918. Marlborough Fine Art Gallery.
Chicago-viite (17. p.)Marlborough Fine Art. Egon Schiele: Drawings and Watercolours : 1909-1918. London: Marlborough Fine Art Gallery, 1969.
MLA-viite (8. p.)Marlborough Fine Art. Egon Schiele: Drawings and Watercolours : 1909-1918. Marlborough Fine Art Gallery, 1969.
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