Sources used:
Books:
Heavy Weather Avoidance by Ma-li Chen and Lee Chesneau
Into the Raging Sea by Rachel Slade
The Ship and the Storm by Jim Carrier
Into the Storm by Tristram Korten
Run the Storm by George Michelsen Foy
The Captains of Thor: What Really Caused the Loss of the SS El Faro in Hurricane Joaquin by Robert Frump
The El Faro Story Ships and Oil Victor Gibson
Reports:
USCG Marine Board's Report Steam ship EL Faro Sinking and loss of the Vessel on October 1, 2015
NTSB report "Sinking of US Cargo Vessel SS El Faro"