You can read his last few letters here.
Brandsma came to the United States in 1935, where he lectured at Catholic University. These writings on Carmelite spirituality were based on those talks.
Blessed Titus is in The Loyola Kids Book of Saints by Amy Welborn under "Saints are People Who Tell the Truth."
A couple of pages are online available for viewing, here.
Who are the saints, why are the lives of saints important for children, and what can children learn from the saints? In , the first in the Loyola Kids series, best-selling author Amy Welborn answers these questions with exciting and inspiring stories, real-life applications, and important information about these heroes of the church. The more than 60 stories of saints for children in this book are divided thematically and cover saints throughout history from all over the world.