- Series339 - William Clarke research papers on land use in Papua New Guinea
- Item1 - Notebooks - Territory of Papua and New Guinea - Department of Forests - Notebooks with descriptions of plants, includes loctation, habitat, form, height. Notebook I - 9500 - 9325, 11 - 28 Feb 1970; Notebook II - 9526 - 9552, 1 - 17 Mar 1970; Notebook III - 9553 - 9571, 29 Mar - 12 May 1970; Notebook IV 9572 - 9593, 12 - 17 May 1970; Notebook V 9594 - 9608, 1 Oct 1970 - 8 May 1971
- Item2 - Notebooks on agriculture and society - carbon book with notes by Clarke on agriculture, crops, environment and society in Papua New Guinea, book I of II
- Item3 - Notebooks on agriculture and society - carbon book with notes by Clarke on agriculture, crops, environment and society in Papua New Guinea, II
- Item4 - Notebooks on agriculture and society - loose pages from a carbon book with notes by Clarke on agriculture, crops, environment and society in Papua New Guinea
- Item5 - Notebooks on agriculture and society - carbon book with notes by Clarke on agriculture, crops, environment and society in Papua New Guinea, IV, V
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