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