This report presents highlights of and summarizes 17 articles and papers on college calendars that were published between 1959 and 1970. The calendars discussed include the 2 semester calendar that operates on a 10-month year; the year-round calendar that adds 1 or 2 summer sessions to the 2 semester year; the interim-term calendar often designated as a 4-1-4 or 4-4-2, indicating that a short term can occur between semesters or after them; the trimester plan; and the quarter plan. In addition to reviewing the various calendars, some of the articles are concerned with the inefficiency of calendar planning. Only 1 article deals with the relationship of students' academic performance and a particular plan. (AF)