She prepared a display on the history of women's suffrage for the 1906 Exhibition in Christchurch, and wrote the pamphlet Woman Suffrage in New Zealand for the International Women's Suffrage Alliance in 1907.
Katherine mempersiapkan sebuah penampilan mengenai sejarah hak suara perempuan untuk Pameran 1906 di Christchurch, dan menulis pamflet Woman Suffrage in New Zealand untuk Aliansi Hak Suara Perempuan Internasional pada 1907.