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Tegetmeier, William Bernhard The Poultry Book: Comprising the Breading and Management of Profitable and Ornamental Poultry, Their Qualities and Characteristics; to Which Is Added ... Birds," Authorized by the Poultry Club
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Fidler, William Assigning of values of the prime number counting function to Bernhard Riemann's zeros. Concept of Dirichlet lines in the complex plane