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Ian 10B: Preston Light Orchestra Society rules. 20 October 1930
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Ian 10B: PLOS rules 1930, pages 2 & 3
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Ian 10B: PLOS rules 1930, pages 4 & 5
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Ian 10B: PLOS rules 1930, pages 6 & 7
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Ian 10B: PLOS rules 1930, page 8
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Ian 10B: Preston Light Orchestra at the Palladium, 26 Jan 1936
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Ian 10B: Preston Light Orchestra 1952
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Ian 10B: J Roy Hulme, Preston Light Orchestra. Preston Guild 1952
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Ian 10B: Preston Light Orchestra
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Ian 10B: Preston Light Orchestral Society letter heading