Activity Plan Duration Start Date End Date Amount
Subscription - 1 year Jan 11, 1923 Jan 11, 1924 48 ₣
Supplement - 11 months, 17 days Jan 25, 1923 Jan 11, 1924 16 ₣
Renewal - 1 year Jan 11, 1924 Jan 11, 1925 64 ₣
Renewal - 1 year Jan 11, 1925 Jan 11, 1926 64 ₣
Renewal Professor 6 months Jan 11, 1926 Jul 11, 1926 68 ₣