Published in Transactions of The New Zealand Institute, in 1919, in volume 51, pages 34-41

Published in Transactions of The New Zealand Institute, in 1919, in volume 51, pages 224-225

Published in Transactions of the New Zealand Institute, in 1919, in volume 51, pages 349-354

Published in Transactions and Proceedings of the New Zealand Institute. Wellington, in 1919, in volume 51, pages 447-449