If you are interested in finding out more about Lilias Trotter, here are a few links:
Discerning Reader reviews the book A Blossom in the Desert: Reflections of Faith in the Art and Writings of Lilias Trotter by Miriam Huffman Rockness.
John Piper writes a very interesting article on Lilias Trotter and the Language Nobody Knows, about her awareness of the relationship between words and reality and how it functions in communicating the gospel.
Finally, you can download the whole text of Lilias Trotter’s Parables of the Cross at Project Gutenberg (for free!).