#= sunday letter: c, rule number: 28, Diœcesis Urbis seu Romana
01-28=01-24~01-28t;;M1617
02-14=02-14;;1570
02-15=Urbis/02-14-Agatho~02-15;;1570
02-23=02-23o;;1888 1906
02-27=02-23r;;1888
02-27=02-09;;1906
03-01=02-23r;;1906
03-12=XX-XX;;1888 1906
03-13=03-12;;1888 1906
04-08=04-04;;1888 1906
04-26=04-25~Urbis/04-26;;DA
04-28=04-25~04-28t;;1570
04-29=04-11;;1570
05-04=Urbis/04-12-JuliusI~05-04;;1570
05-05=Urbis/04-17;;1570
05-07=Urbis/04-22;;1570
05-10=04-23~05-10o;;1570
05-28=Urbis/05-27o;;1570
06-09=06-09;;1906
06-16=04-25;;1888 1906
08-19=06-11~08-19bmv;;1888 1906
09-13=04-11~09-13bmv;;1888
10-11=04-11;;1906
10-12=04-21;;1888 1906
10-21=05-27~10-21~10-21cc;;1906
dirge1=01-26 02-04;;1570
dirge1=01-23 02-03;;M1617
dirge1=XX-XX;;1888 1906
dirge2=03-01 03-29 04-05 06-16;;1570
dirge2=03-01 03-15 03-29 04-05;;M1617
dirge2=03-01 03-29;;1888 
dirge2=03-29;;1906
dirge3=10-22 12-20;;1906
