Letter from Reginald C. Vanderbilt to William du Pont announcing the creation of a new horse show organization, The Association of American Horse Shows, and informs du Pont that he has been unanimously elected a director.
Form letter from the Association of American Horse Shows to William du Pont (who was a director on the board), laying out rules for horse shows to be read and approved by the board of directors.
Letter from J. W. Waring, publisher of the "Official Horse Show Blue Book" to William du Pont confirming and thanking du Pont for his subscription to the book and discusses including photographs of horses that du Pont has bred in the book.
Newspaper clipping offering an anecdote about Marion du Pont and a former employee along with a description of the Montpelier Horse Show on the grounds of William du Pont's Montpelier Estate.
Official Program for the Montpelier Horse Show held on October 26, 1929. William du Pont, Jr.'s sister, Marion du Pont Sommerville, resided at the Montpelier estate.
Letter from Gurney C. Gue, secretary and treasurer of the American Hackney Horse Society to William du Pont graciously accepting du Pont's request that he officiate as judge of the Montpelier Horse Show.
Letter from Gurney Gue, Secretary of the American Hackney Horse Society to William du Pont informing du Pont of the judging rubrick Gue planned to use for the upcoming Montpelier Horse Show. Included is a detailed copy of that rubrick.
Letter to William du Pont from a representative of the Devon Horse Show confirming the reservation of a box at the show for du Pont and also requests that du Pont consider being a judge at the event.
Letter from H. C. Warren, Secretary and Treasurer for the Orange Horseman's Association, to William du Pont confirming his box seats for the associations upcoming horse show and thanking du Pont for assisting in finding suitable judges for the show.
Mass-mailed letter to William du Pont from Wayne Dinsmore, Secretary of the Percheron Society of America, reminding all members to register all of their Percherons foaled in 1914 by September 1. Dinsmore also discusses upcoming expositions in which...
Mass-mailing to all the members of the Delaware Horse Show Association, which includes William du Pont, announcing the date and time of their next meeting.
