STA/3/4
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Documento
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1829-1989
Parte de Staff
SEC/9/3/1
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Item
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2 Jun 1921-8 Jun 1923
Parte de ZSL Secretaries
Out-letters of Peter Chalmers Mitchell (Also contains out-letters of M B Saunders, Poultry Department, from 20 Feb 1917-26 Jul 1917)
SEC/9/3/2
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Item
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8 Jan 1923-4 Jan 1934
Parte de ZSL Secretaries
Out-letters of Peter Chalmers Mitchell