"Land Development and Housing"; "Land Subdivision" Second Annual Surveying Conference at Rutgers University, May 18, 1940; "Large Scale Housing and The City Plan," National Conference in Planning at Richmond, Virginia, May 4, 1936; "Let us Stop Talking. We must act on Urban Reconstruction," Panel Discussion, Annual Conference, New Jersey Federation of Planning Boards, April 18, 1942; "Letter to the Editor" Journal of the American Institute of Planners. January 1968.; "Letter to the Editor." Pennsylvania Plans. June 1951; "Letter to the Editor: American Society of Planning Officials, September 1941, December 1963; "The Local Planning Board's Job in Preparedness." County and Municipal Planning Boards in New Jersey; "Local and State Cooperation in the Post-War Planning." New Jersey Federation of Official Planning Boards Meeting, November 1943, 1936-1968

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.