Those reciting the Divine Office  (either as  a mandated  duty for clergy and contemplative religious,  as  an option for  laity) were  reading texts by the Doctors of the Church about the significance  of  this Feast for 9 days,  very helpful  to deepen one’ s understanding  of the faith .

Would you like  to see these texts?

Go again to the  Divinum  Officium. http://divinumofficium.com/cgi-bin/horas/officium.pl

Choose the tab Divino Afflatu instead of Rubrics  1960

Select the days after the feast of Corpus Christi ()ie.  June 21st,  22nd,etc. for the net  8 days.

For each day, select ad Matutinum, and scroll down to  Lessons of the  2nd Nocturn  (lessons  4,5,6 after  the  three psalms ) and if time allows, to go to the Lessons of the 3rd Nocturn  (lessons  7, 8,9  after  the  three psalms )