Complex sentence: In 1930, published after his death, "Notes on Tulip Species" by Dykes, William Rickatson, and Elsie Katherine Dykes, publisher H. Jenkins, included fifty-four color plates of paintings by Elsie Katherine Dykes.
Split into simpler sentences: In 1930, published after his death,'Notes on Tulip Species' by Dykes, William Rickatson, and Elsie Katherine Dykes, publisher H. Jenkins. Which included fifty-four color plates of paintings by Elsie Katherine Dykes.