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1de réir St. Clair, Peter JamesÁbhair “...Soils, Salts in Australia....”
Foilsithe / Cruthaithe 1997
Tráchtas LEABHAR -
2de réir Kennedy, Malcolm J., 1941-Ábhair “...Draft animals Australia History....”
Foilsithe / Cruthaithe 1986
Tráchtas LEABHAR -
3de réir Dixon, Graham (Graham Andrew)Ábhair “...Forests and forestry Western Australia....”
Foilsithe / Cruthaithe 1989
Tráchtas LEABHAR