At the request of his friends he embodied his experiences in a treatise: Lathams Falconry or the Faulcons Lure and Cure; in two Bookes.
"The first, concerning the ordering … of all Hawkes in generall, especially the Haggard Favlcon Gentle.
The treatise was dedicated to Sir Thomas Monson, 1st Baronet, master of the King's hawks.
Latham acknowledged that he derived his "art and understanding" from Henry Sadleir of Everley, Wiltshire, third son of Sir Ralph Sadleir, grand falconer to Queen Elizabeth.
[1][2] There was also published in 1662 under his name The Gentleman's Exercise, or Supplement to the Bookes of Faulconry.