http://hosi.org/ts/When/CalendarTypes/CyclicTableBased
ts:referenceFrame
http://hosi.org/When/TM/CalendarEra/Chinese
http://hosi.org/When/TM/CalendarEra/Chinese::清
http://hosi.org/When/TM/CalendarEra/Chinese::清::太平天国
http://hosi.org/When/TM/CalendarEra/Chinese::清::太平天国::天暦