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50 million volunteers: a report on the role of voluntary organisations and youth in the environment; presented in February 1972 to the Secretary of State for the Environment.

50 million volunteers: a report on the role of voluntary organisations and youth in the environment; presented in February 1972 to the Secretary of State for the Environment.
紙図書
H.M.S.O.1972.<EG285-67>
国立国会図書館全国の図書館
  • 件名...Great Britain. Volunteer workers in environmental protection -- Great Britain. Voluntary work Great Britain...

Helping hands : a guide to conservation

Helping hands : a guide to conservation
紙図書
Elizabeth GundreyUnwin Paperbacks in association with the Observer1981
全国の図書館
  • 件名... of volunteers Volunteer workers in environmental protection -- Great Britain
  • 件名（識別子）... of volunteers Volunteer workers in environmental protection -- Great Britain

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