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Forty Years of Scotland Yard by Wensley, Frederick Porter: Very Good- Hardcover (1933) | DogStar Books
Forty years of Scotland yard; the record of a lifetime's service in the Criminal investigation department : Wensley, Frederick Porter, 1865-1949 : Free Download, Borrow, and Streaming : Internet Archive
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EO3 - Making scrapbooks: why did an interwar police detective scrapbook? - The Scrapbook History Podcast
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