Clifford K. (Ted) Shipton -Clifford K. Shipton, known as Ted to his friends, hired Marcus A. McCorison as librarian in 1960. Shipton retired as director of the Society in 1967 and was succeeded by McCorison.

The Amerian Antiquarian Society, 1812-2012 - A View at the Bicentennial
A National Research Library - Marcus A. McCorison, Librarian and President, 1967-1992