Parkinson, Hargreaves Scientific investment: a manual for company share and debenture holders Hargreaves Parkinsonintroduction by, Sir Walter Layton. - 4th ed. - London Sir Isaac Pitman 1946 - xvi, 236p., tables. Subjects--Topical Terms: Economics Finance Saving and investments Debenture. Dewey Class. No.: 332.678 / P17S