Harold Evans is the author of Historical Sketches of Copper and Lead Mining in Montgomery County, Pennsylvania (1980), An Open Letter to Her Excellency Mrs. Anne C. Martindell (1980), An Open Letter to Her Excellency Mrs. Anne C. Martindell, Ambassador Extraordinary and Plenipotentiary of the United States of America on the Occasion of the Entry Into New Zealand Waters of the U.S.S. Truxton, Wellington, New Zealand, September 1980 (1980), An Open Letter to Officers of the Ministry of Foreign Affairs and Other Individual New Zealanders (1980), Case for a Change (1979).