#1 CY, author of An Introduction to Coping with Panic, published in the first decade of the 21st.C. in London, UK.
#2 CY, author of the Viking books, published in London and New York around the turn of the 19th/20th.Cs.
#3 CY, author of Cornell in Pictures, is Charles Van Patten Young, who has his own page.
#4 CY, author of Potasset ....., published this in Philadelphia, USA in 1991.
#5 CY, author of Last Man on Earth published in the UK in the early 1990s.
#6 Young, Charles E. (Charles Edward), 1846- Dangers of the trail in 1865