Book Pub. 1973. Privately printed. Hard copy and scanned document.
Also – Frederick P. Hart, Lt. Cdr. R.N., photocopy of extracts from his book (pp 39-66) with handwritten notes by Vivienne Greene?, from a copy belonging to David Hart. Notes with the photocopy by Carol Jackson. Scanned.
Lt Cdr. Frederick Philip Hart at ninety. Cutting from newspaper, ...