12:10 p.m.: Organ Concert at Appleton Chapel of Memorial Church. Jack Fisher, Faculty, Boston University.

3-5 p.m.: Yard Punch in the Widener Quadrangle.

4 p.m.: The Soviet Union--Maurice Friedberg, "The Current Soviet Literary Scene;" Emerson Hall 105. No admission charge.

7 and 9:30 p.m.: Ivy Films--"The Pilgrim" and "The Circus" by Chaplin, Carpenter Center Lecture Hall. Admission: $1.

8 p.m.: The International Seminar Open Forum, Emerson Hall 105. Reception following in Ticknor Library of Boylston Hall.

8-11 p.m.: Flok Dancing, Memorial Hall.

8 p.m.: Hiller Mixer, 5 Bryant Street. Admission: $1.

Thursday, July 24

4 p.m. Thursday Afternoon Lecture Series--Maurice Cranston, "The Political Philosophy of Jean-Paul Sartre;" Emerson Hall 105. No admission charge.

5 p.m.: Last day to sign up for tour of Cape Cod at 4 Matthews Hall. Admission: $18 per person.

Saturday, July 26

9:30 a.m.: Buses leave for Harvard Summer School Tour of Plymouth and Hyannis (Cape Cod). Details and tickets at 4 Matthews Hall. Admission: $18 per person. Sign up at 4 Matthews Hall by Thursday, July 24.

8 p.m.: Student Film Studies--"The Journey Within" and "Mario," both by Eric Sherman, Carpenter Center Lecture Hall. Admission: $1.

7 p.m.: Harvard Film Study--"Secret Beyond the Door" by Fritz Lang and "They Live by Night" by Douglas Sirk, Carpenter Center Lecture Hall. Admission: $1.

8 p.m.: Hillel Mixer, 5 Bryant Street, Admission: $1.