Trends in corporate bond quality অনুযায়ী Atkinson, Thomas R.

Statistical measures of corporate bond financing since 1900, by W.B. Hickman with the assistance of Elizabeth T. Simpson অনুযায়ী Hickman, Walter Braddock 1911-

The volume of corporate bond financing since 1900 a study by the National Bureau of Economic Research অনুযায়ী Hickman, Walter Braddock 1911-

Corporate bond quality investor experience অনুযায়ী Hickman, Walter Braddock 1911-