From Grace Amadon's Subject Files and Source Documents. Articles:
Wilson, P. W. “Discussion of Leap Week.” Journal of Calendar Reform, Mar., 1935.
Weitz, Rabbi Martin M. “‘Time’ in Jewish History.” Journal of
Calendar Reform, Dec., 1937.
Fraenkel, Dr. Abraham Adolf. “Against Extra Days!” Journal of
Calendar Reform, Fourth, Fourth Quarter, 1942.
Journal of Calendar Reform, First Quarter, 1944.
Journal of Calendar Reform, Second Quarter, 1944.
Journal of Calendar Reform, Fourth Quarter, 1944.