I have scanned a pair of timber price lists from my collection. See the PDFs here. They were produced in the 1930s by timber merchants in Queensland and New South Wales. They allow some interesting comparisons.
One example: The Sydney supplier (Vanderfield & Reid Ltd) offered many timbers imported from overseas—Oregon (Douglas Fir), Redwood, Yellow Pine, Sugar Pine and Hemlock from North America; Baltic Pine from Europe; Rimu and White Pine (kauri?) from New Zealand; Pacific Maple from Asia; Pacific Oak from Japan; and Gaboon Mahogany from Africa.
In contrast, almost everything sold by Hancock Brothers was cut in Queensland. The few imports came from America—Oregon (up to 60 feet long, while 40 feet was the maximum for Queensland Pine); and Redwood shingles.