Hall, Van (2003). "The Interstate That Almost Was"(PDF). Morningside-Lenox Park Association. Archived(PDF) from the original on September 11, 2022. Retrieved September 11, 2022.
Hall, Van (2003). "The Interstate That Almost Was"(PDF). Morningside-Lenox Park Association. Archived(PDF) from the original on September 11, 2022. Retrieved September 11, 2022.