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AlanWZ581: 001. R J Coleys, Hayes. Aircraft viewing ledger 1960
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AlanWZ581: 002. R J Coleys, Hayes. Aircraft viewing ledger 1960
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AlanWZ581: 003. R J Coleys, Hayes. Aircraft viewing ledger October 1961
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AlanWZ581: 004. R J Coleys, Hayes. Aircraft viewing ledger 1962 - 63
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AlanWZ581: 005. R J Coleys, Hayes. Aircraft viewing ledger 1963
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AlanWZ581: 006. R J Coleys, Hayes. Aircraft viewing ledger 1964
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AlanWZ581: 007. R J Coleys, Hayes. Aircraft viewing ledger 1965
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AlanWZ581: 008. R J Coleys, Hayes. Aircraft viewing ledger 1966 - 68
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AlanWZ581: 009. R J Coleys, Hayes. Aircraft viewing ledger 1969 - 70
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AlanWZ581: 010. R J Coleys, Hayes. Aircraft viewing ledger 1970 - 71