> Mehrbändiges Werk
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The Clarke papers 3 William Clark. Ed. by C. H. Firth
London [u.a.]: Longmans, Green, 1899
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The Clarke papers 2 William Clark. Ed. by C. H. Firth
[London]: Camden Society, 1894
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The Clarke papers 1 William Clark. Ed. by C. H. Firth
[London]: Camden Society, 1891