"The Objectives of State Planning"; "Organization and Administration of a Planning Department"; "Organization and Legislation for a County Planning," Annual Conference of the American Road Builders; Association, Detroit, January 12, 1932; "A Proposal for the Organization and Operation of a Regional Council in a Metropolitan Area." January 14, 1943; "Outdoor Recreational Facilities in the Philadelphia-Camden District"; "Discussion of Paper 'Our State parks and Forests'" Presented by Charles B. Wilber;, 1932, 1943, undated

Correspondence, reports, notes, questionnaires, articles, maps, contracts, pamphlets, brochures, ordinances, and legal notices related to city and state planning, primarily in the mid-Atlantic states. In addition to his private practice, papers deal with Black's membership in the Commonwealth Club of San Francisco; participation in the initial activities of the Regional Plan Association of San Francisco Bay Counties; and various other state and federal planning efforts in the 1930's. Correspondents include Frederick J. Adams, Thomas Adams, Charles Stern Ascher, Tracy Baldwin Augur, Liberty Hyde Bailey, Harland Bartholomew, Edward Murray Bassett, Alfred Bettman, Frederick Bigger, Walter Harold Blucher, Harold Sinley Buttenheim, Gilmore David Clarke, Arthur Coleman Comey, Jacob Leslie Crane, Jr., Frederick Dohram, Earle Sumner Draper, R.F. Engle, Livingston Farrand, Carl Feiss, Benjamin Antrim Haldeman, Justin Richardson Hartzog, Henry V. Hubbard, Harlean James, Harold MacLean Lewis, Thomas William Mackesey, Albert Mayer, Eugene Davis Montillon, Lewis Mumford, John Nolen, Robert Randall, Irving Root, Ladislas Segoe, Flavel Shurtleff, Clarence S. Stein, Armand Tibbitts, L. Deming Tilton, Raymond Unwin, Lawrence Veiller, Warren Jay Vinton, Samuel Price Wetherill, Jr., Gordon Whitnall, Robert M. Whitten, and Henry C. Wright.