Robertson 1932. Robertson, Peter L. (1932), [The remedy]: World reorganization or downfall, and the remedy; a composite picture of the causes of the present disequilibrium in the world—analyzing the extent of war costs, losses, debts, reparations, gold shortage and of the resulting chaos, but with a plan for the redistribution of gold, revaluation of gold, immediate liquidation of debts, a full covering of currencies, and an international coinage, Milton, Ontario, Canada: Author, LCCN32020618, OCLC4735733. [Robertson self-published his book, hiring Davis-Lisson Ltd for the printing.]{{citation}}: CS1 maint: postscript (link)
Robertson 1932. Robertson, Peter L. (1932), [The remedy]: World reorganization or downfall, and the remedy; a composite picture of the causes of the present disequilibrium in the world—analyzing the extent of war costs, losses, debts, reparations, gold shortage and of the resulting chaos, but with a plan for the redistribution of gold, revaluation of gold, immediate liquidation of debts, a full covering of currencies, and an international coinage, Milton, Ontario, Canada: Author, LCCN32020618, OCLC4735733. [Robertson self-published his book, hiring Davis-Lisson Ltd for the printing.]{{citation}}: CS1 maint: postscript (link)
Lamb, Ken (1998). P.L. inventor of the Robertson screw. Milton Historical Society. pp. 105–116. ISBN9780969562962. OCLC39913140.
Lamb, Ken (1998). P.L. inventor of the Robertson screew. Milton Historical Society. pp. 143–146. ISBN9780969562962. OCLC39913140.
