51. Parcel post. Parcel post convention between United States and Cuba; [signed Washington, Oct. 31, 1925, approved Nov. 2, 1925]. Bookmark Corporate/Agency Authors: State Department Publisher: State Department Date: [1925.] SuDoc number: S 9.2:P 84/9
52. Parcel post convention between Great Britain and Northern Ireland and United States; [signed Washington, Oct. 1, 1924, London, Oct. 27, 1924, approved Nov. 19, 1924]. Bookmark Corporate/Agency Authors: State Department Publisher: State Department Date: 1924 SuDoc number: S 9.2:P 84/7