Some ideas, see references

http://intercessionforpriests.org/

https://www.ewtn.com/catholicism/library/world-movement-of-p...

https://sspx.org/sites/sspx/files/rcr_oct-nov_2016.pdf

Słudzy Pana. Kapłani proszą o modlitwę! Zaangażujesz parafię, wspólnotę, duszpasterstwo?

Dzieło modlitwy za kapłanów polskich, zakonnych i diecezjalnych towarzyszy nam już 10 lat! W tym roku ambitnie zwiększono ilość przygotowanych intencji do 50 000!. - https://opoka.news/sludzy-pana-kaplani-prosza-o-modlitwe-zaa...

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Papieskie Dzieło Modlitwy za Kapłanów - https://parafia.sdb.pl/papieskie-dzielo-modlitwy-za-kaplanow

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The Church's initiatives, including the worldwide mission of prayer for priests suggested by the Congregation for the Clergy - https://www.foundationforpriests.org/ea-refl-beckman6

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Just as the young Carmelites were asked by their Mother Superiors to embrace the mission of prayer for priests in a particular way, the Church as our Mother invites all of us to participate in this all-important assignment. - https://spiritualdirection.com/2020/07/23/to-be-an-apostle-w...

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The Seven Sisters Apostolate is a worldwide mission of prayer for priests and bishops, formed to intercede for the needs and intentions of priests and bishops - https://m.facebook.com/stmaryfred/photos/a.354760928309927/1...

Based on:
the Institute for Works of Religion (Istituto per le Opere di Religione or IOR), commonly known as the Vatican Bank,
https://www.vaticannews.va/en/vatican-city/news/2020-06/inst...