1. Herbert Boucher Dobbie,New Zealand Ferns: 148 Varieties(Auckland: H. Dobbie, 1880).
2. The Transactions were originally printed by private contractors, but the work was taken over in 1888 by the Government Printer. Volume 1 was reprinted, with additions, by the Government Printer in 1875. See Wilbur A. Glue,History of the Government Printing Office(Wellington: R.E. Owen Government Printer, 1966), 83.
3. Gil Docking,Two Hundred Years of New Zealand Painting(Melbourne: Lansdowne, 1971).