Esterer, A. (1967). List of Visits to Dr. Frank’s Vineyard. https://oaks.kent.edu/node/3433
Esterer, Arnulf. 1967. “List of Visits to Dr. Frank’s Vineyard”. https://oaks.kent.edu/node/3433.
Esterer, A. List of Visits to Dr. Frank’s Vineyard. 1 Jan. 1967, https://oaks.kent.edu/node/3433.